998217220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 288

約数和(自身を含む): 3040571520

約数和(自身を除く): 2042354300

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 44, 49, 52, 55, 65, 68, 70, 77, 85, 91, 98, 110, 119, 130, 140, 143, 154, 170, 182, 187, 196, 220, 221, 238, 245, 260, 286, 308, 340, 364, 374, 385, 419, 442, 455, 476, 490, 539, 572, 595, 637, 715, 748, 770, 833, 838, 884, 910, 935, 980, 1001, 1078, 1105, 1190, 1274, 1309, 1430, 1540, 1547, 1666, 1676, 1820, 1870, 2002, 2095, 2156, 2210, 2380, 2431, 2548, 2618, 2695, 2860, 2933, 3094, 3185, 3332, 3740, 4004, 4165, 4190, 4420, 4609, 4862, 5005, 5236, 5390, 5447, 5866, 6188, 6370, 6545, 7007, 7123, 7735, 8330, 8380, 9163, 9218, 9724, 10010, 10780, 10829, 10894, 11732, 12155, 12740, 13090, 14014, 14246, 14665, 15470, 16660, 17017, 18326, 18436, 20020, 20531, 21658, 21788, 23045, 24310, 26180, 27235, 28028, 28492, 29330, 30940, 32263, 34034, 35035, 35615, 36652, 38129, 41062, 43316, 45815, 46090, 48620, 49861, 54145, 54470, 58660, 59917, 64526, 68068, 70070, 71230, 76258, 78353, 82124, 85085, 91630, 92180, 92599, 99722, 102655, 108290, 108940, 119119, 119834, 129052, 140140, 142460, 152516, 156706, 161315, 170170, 183260, 185198, 190645, 199444, 205310, 216580, 225841, 238238, 239668, 249305, 266903, 299585, 313412, 322630, 340340, 349027, 370396, 381290, 391765, 410620, 419419, 451682, 462995, 476476, 498610, 533806, 548471, 595595, 599170, 645260, 648193, 698054, 762580, 783530, 838838, 903364, 925990, 997220, 1018589, 1067612, 1096942, 1129205, 1191190, 1198340, 1296386, 1334515, 1396108, 1567060, 1677676, 1745135, 1851980, 2037178, 2097095, 2193884, 2258410, 2382380, 2592772, 2669030, 2742355, 2935933, 3240965, 3490270, 3839297, 4074356, 4194190, 4516820, 4537351, 5092945, 5338060, 5484710, 5871866, 6481930, 6980540, 7130123, 7678594, 8388380, 9074702, 10185890, 10969420, 11743732, 12963860, 14260246, 14679665, 15357188, 18149404, 19196485, 20371780, 22686755, 28520492, 29359330, 35650615, 38392970, 45373510, 49910861, 58718660, 71301230, 76785940, 90747020, 99821722, 142602460, 199643444, 249554305, 499108610, 998217220]

約数ペア:

[(1, 998217220), (2, 499108610), (4, 249554305), (5, 199643444), (7, 142602460), (10, 99821722), (11, 90747020), (13, 76785940), (14, 71301230), (17, 58718660), (20, 49910861), (22, 45373510), (26, 38392970), (28, 35650615), (34, 29359330), (35, 28520492), (44, 22686755), (49, 20371780), (52, 19196485), (55, 18149404), (65, 15357188), (68, 14679665), (70, 14260246), (77, 12963860), (85, 11743732), (91, 10969420), (98, 10185890), (110, 9074702), (119, 8388380), (130, 7678594), (140, 7130123), (143, 6980540), (154, 6481930), (170, 5871866), (182, 5484710), (187, 5338060), (196, 5092945), (220, 4537351), (221, 4516820), (238, 4194190), (245, 4074356), (260, 3839297), (286, 3490270), (308, 3240965), (340, 2935933), (364, 2742355), (374, 2669030), (385, 2592772), (419, 2382380), (442, 2258410), (455, 2193884), (476, 2097095), (490, 2037178), (539, 1851980), (572, 1745135), (595, 1677676), (637, 1567060), (715, 1396108), (748, 1334515), (770, 1296386), (833, 1198340), (838, 1191190), (884, 1129205), (910, 1096942), (935, 1067612), (980, 1018589), (1001, 997220), (1078, 925990), (1105, 903364), (1190, 838838), (1274, 783530), (1309, 762580), (1430, 698054), (1540, 648193), (1547, 645260), (1666, 599170), (1676, 595595), (1820, 548471), (1870, 533806), (2002, 498610), (2095, 476476), (2156, 462995), (2210, 451682), (2380, 419419), (2431, 410620), (2548, 391765), (2618, 381290), (2695, 370396), (2860, 349027), (2933, 340340), (3094, 322630), (3185, 313412), (3332, 299585), (3740, 266903), (4004, 249305), (4165, 239668), (4190, 238238), (4420, 225841), (4609, 216580), (4862, 205310), (5005, 199444), (5236, 190645), (5390, 185198), (5447, 183260), (5866, 170170), (6188, 161315), (6370, 156706), (6545, 152516), (7007, 142460), (7123, 140140), (7735, 129052), (8330, 119834), (8380, 119119), (9163, 108940), (9218, 108290), (9724, 102655), (10010, 99722), (10780, 92599), (10829, 92180), (10894, 91630), (11732, 85085), (12155, 82124), (12740, 78353), (13090, 76258), (14014, 71230), (14246, 70070), (14665, 68068), (15470, 64526), (16660, 59917), (17017, 58660), (18326, 54470), (18436, 54145), (20020, 49861), (20531, 48620), (21658, 46090), (21788, 45815), (23045, 43316), (24310, 41062), (26180, 38129), (27235, 36652), (28028, 35615), (28492, 35035), (29330, 34034), (30940, 32263)]