989228240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1178

約数の個数: 240

約数和(自身を含む): 3114217344

約数和(自身を除く): 2124989104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 154, 176, 182, 208, 220, 242, 260, 280, 286, 308, 364, 385, 440, 455, 484, 520, 560, 572, 605, 616, 715, 728, 770, 847, 880, 910, 968, 1001, 1040, 1123, 1144, 1210, 1232, 1430, 1456, 1540, 1573, 1694, 1820, 1936, 2002, 2246, 2288, 2420, 2860, 3080, 3146, 3388, 3640, 4004, 4235, 4492, 4840, 5005, 5615, 5720, 6160, 6292, 6776, 7280, 7861, 7865, 8008, 8470, 8984, 9680, 10010, 11011, 11230, 11440, 12353, 12584, 13552, 14599, 15722, 15730, 16016, 16940, 17968, 20020, 22022, 22460, 24706, 25168, 29198, 31444, 31460, 33880, 39305, 40040, 44044, 44920, 49412, 55055, 58396, 61765, 62888, 62920, 67760, 72995, 78610, 80080, 86471, 88088, 89840, 98824, 102193, 110110, 116792, 123530, 125776, 125840, 135883, 145990, 157220, 160589, 172942, 176176, 197648, 204386, 220220, 233584, 247060, 271766, 291980, 314440, 321178, 345884, 408772, 432355, 440440, 494120, 510965, 543532, 583960, 628880, 642356, 679415, 691768, 802945, 817544, 864710, 880880, 951181, 988240, 1021930, 1087064, 1124123, 1167920, 1284712, 1358830, 1383536, 1605890, 1635088, 1729420, 1766479, 1902362, 2043860, 2174128, 2248246, 2569424, 2717660, 3211780, 3458840, 3532958, 3804724, 4087720, 4496492, 4755905, 5435320, 5620615, 6423560, 6917680, 7065916, 7609448, 8175440, 8832395, 8992984, 9511810, 10870640, 11241230, 12365353, 12847120, 14131832, 15218896, 17664790, 17985968, 19023620, 22482460, 24730706, 28263664, 35329580, 38047240, 44964920, 49461412, 61826765, 70659160, 76094480, 89929840, 98922824, 123653530, 141318320, 197845648, 247307060, 494614120, 989228240]

約数ペア:

[(1, 989228240), (2, 494614120), (4, 247307060), (5, 197845648), (7, 141318320), (8, 123653530), (10, 98922824), (11, 89929840), (13, 76094480), (14, 70659160), (16, 61826765), (20, 49461412), (22, 44964920), (26, 38047240), (28, 35329580), (35, 28263664), (40, 24730706), (44, 22482460), (52, 19023620), (55, 17985968), (56, 17664790), (65, 15218896), (70, 14131832), (77, 12847120), (80, 12365353), (88, 11241230), (91, 10870640), (104, 9511810), (110, 8992984), (112, 8832395), (121, 8175440), (130, 7609448), (140, 7065916), (143, 6917680), (154, 6423560), (176, 5620615), (182, 5435320), (208, 4755905), (220, 4496492), (242, 4087720), (260, 3804724), (280, 3532958), (286, 3458840), (308, 3211780), (364, 2717660), (385, 2569424), (440, 2248246), (455, 2174128), (484, 2043860), (520, 1902362), (560, 1766479), (572, 1729420), (605, 1635088), (616, 1605890), (715, 1383536), (728, 1358830), (770, 1284712), (847, 1167920), (880, 1124123), (910, 1087064), (968, 1021930), (1001, 988240), (1040, 951181), (1123, 880880), (1144, 864710), (1210, 817544), (1232, 802945), (1430, 691768), (1456, 679415), (1540, 642356), (1573, 628880), (1694, 583960), (1820, 543532), (1936, 510965), (2002, 494120), (2246, 440440), (2288, 432355), (2420, 408772), (2860, 345884), (3080, 321178), (3146, 314440), (3388, 291980), (3640, 271766), (4004, 247060), (4235, 233584), (4492, 220220), (4840, 204386), (5005, 197648), (5615, 176176), (5720, 172942), (6160, 160589), (6292, 157220), (6776, 145990), (7280, 135883), (7861, 125840), (7865, 125776), (8008, 123530), (8470, 116792), (8984, 110110), (9680, 102193), (10010, 98824), (11011, 89840), (11230, 88088), (11440, 86471), (12353, 80080), (12584, 78610), (13552, 72995), (14599, 67760), (15722, 62920), (15730, 62888), (16016, 61765), (16940, 58396), (17968, 55055), (20020, 49412), (22022, 44920), (22460, 44044), (24706, 40040), (25168, 39305), (29198, 33880), (31444, 31460)]