449929480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 256

約数和(自身を含む): 1441359360

約数和(自身を除く): 991429880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 40, 44, 52, 55, 56, 65, 68, 70, 77, 85, 88, 91, 104, 110, 119, 130, 136, 140, 143, 154, 170, 182, 187, 220, 221, 238, 260, 280, 286, 308, 340, 364, 374, 385, 440, 442, 455, 476, 520, 572, 595, 616, 661, 680, 715, 728, 748, 770, 884, 910, 935, 952, 1001, 1105, 1144, 1190, 1309, 1322, 1430, 1496, 1540, 1547, 1768, 1820, 1870, 2002, 2210, 2380, 2431, 2618, 2644, 2860, 3080, 3094, 3305, 3640, 3740, 4004, 4420, 4627, 4760, 4862, 5005, 5236, 5288, 5720, 6188, 6545, 6610, 7271, 7480, 7735, 8008, 8593, 8840, 9254, 9724, 10010, 10472, 11237, 12155, 12376, 13090, 13220, 14542, 15470, 17017, 17186, 18508, 19448, 20020, 22474, 23135, 24310, 26180, 26440, 29084, 30940, 34034, 34372, 36355, 37016, 40040, 42965, 44948, 46270, 48620, 50897, 52360, 56185, 58168, 60151, 61880, 68068, 68744, 72710, 78659, 85085, 85930, 89896, 92540, 94523, 97240, 101794, 112370, 120302, 123607, 136136, 145420, 146081, 157318, 170170, 171860, 185080, 189046, 203588, 224740, 240604, 247214, 254485, 290840, 292162, 300755, 314636, 340340, 343720, 378092, 393295, 407176, 449480, 472615, 481208, 494428, 508970, 584324, 601510, 618035, 629272, 661661, 680680, 730405, 756184, 786590, 865249, 945230, 988856, 1017940, 1022567, 1168648, 1203020, 1236070, 1323322, 1460810, 1573180, 1606891, 1730498, 1890460, 2035880, 2045134, 2406040, 2472140, 2646644, 2921620, 3146360, 3213782, 3308305, 3460996, 3780920, 4090268, 4326245, 4944280, 5112835, 5293288, 5843240, 6427564, 6616610, 6921992, 8034455, 8180536, 8652490, 10225670, 11248237, 12855128, 13233220, 16068910, 17304980, 20451340, 22496474, 26466440, 32137820, 34609960, 40902680, 44992948, 56241185, 64275640, 89985896, 112482370, 224964740, 449929480]

約数ペア:

[(1, 449929480), (2, 224964740), (4, 112482370), (5, 89985896), (7, 64275640), (8, 56241185), (10, 44992948), (11, 40902680), (13, 34609960), (14, 32137820), (17, 26466440), (20, 22496474), (22, 20451340), (26, 17304980), (28, 16068910), (34, 13233220), (35, 12855128), (40, 11248237), (44, 10225670), (52, 8652490), (55, 8180536), (56, 8034455), (65, 6921992), (68, 6616610), (70, 6427564), (77, 5843240), (85, 5293288), (88, 5112835), (91, 4944280), (104, 4326245), (110, 4090268), (119, 3780920), (130, 3460996), (136, 3308305), (140, 3213782), (143, 3146360), (154, 2921620), (170, 2646644), (182, 2472140), (187, 2406040), (220, 2045134), (221, 2035880), (238, 1890460), (260, 1730498), (280, 1606891), (286, 1573180), (308, 1460810), (340, 1323322), (364, 1236070), (374, 1203020), (385, 1168648), (440, 1022567), (442, 1017940), (455, 988856), (476, 945230), (520, 865249), (572, 786590), (595, 756184), (616, 730405), (661, 680680), (680, 661661), (715, 629272), (728, 618035), (748, 601510), (770, 584324), (884, 508970), (910, 494428), (935, 481208), (952, 472615), (1001, 449480), (1105, 407176), (1144, 393295), (1190, 378092), (1309, 343720), (1322, 340340), (1430, 314636), (1496, 300755), (1540, 292162), (1547, 290840), (1768, 254485), (1820, 247214), (1870, 240604), (2002, 224740), (2210, 203588), (2380, 189046), (2431, 185080), (2618, 171860), (2644, 170170), (2860, 157318), (3080, 146081), (3094, 145420), (3305, 136136), (3640, 123607), (3740, 120302), (4004, 112370), (4420, 101794), (4627, 97240), (4760, 94523), (4862, 92540), (5005, 89896), (5236, 85930), (5288, 85085), (5720, 78659), (6188, 72710), (6545, 68744), (6610, 68068), (7271, 61880), (7480, 60151), (7735, 58168), (8008, 56185), (8593, 52360), (8840, 50897), (9254, 48620), (9724, 46270), (10010, 44948), (10472, 42965), (11237, 40040), (12155, 37016), (12376, 36355), (13090, 34372), (13220, 34034), (14542, 30940), (15470, 29084), (17017, 26440), (17186, 26180), (18508, 24310), (19448, 23135), (20020, 22474)]