42691480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 113400000

約数和(自身を除く): 70708520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 149, 152, 190, 232, 247, 260, 290, 298, 377, 380, 494, 520, 551, 580, 596, 745, 754, 760, 988, 1102, 1160, 1192, 1235, 1490, 1508, 1885, 1937, 1976, 2204, 2470, 2755, 2831, 2980, 3016, 3770, 3874, 4321, 4408, 4940, 5510, 5662, 5960, 7163, 7540, 7748, 8642, 9685, 9880, 11020, 11324, 14155, 14326, 15080, 15496, 17284, 19370, 21605, 22040, 22648, 28310, 28652, 34568, 35815, 36803, 38740, 43210, 56173, 56620, 57304, 71630, 73606, 77480, 82099, 86420, 112346, 113240, 143260, 147212, 164198, 172840, 184015, 224692, 280865, 286520, 294424, 328396, 368030, 410495, 449384, 561730, 656792, 736060, 820990, 1067287, 1123460, 1472120, 1641980, 2134574, 2246920, 3283960, 4269148, 5336435, 8538296, 10672870, 21345740, 42691480]

約数ペア:

[(1, 42691480), (2, 21345740), (4, 10672870), (5, 8538296), (8, 5336435), (10, 4269148), (13, 3283960), (19, 2246920), (20, 2134574), (26, 1641980), (29, 1472120), (38, 1123460), (40, 1067287), (52, 820990), (58, 736060), (65, 656792), (76, 561730), (95, 449384), (104, 410495), (116, 368030), (130, 328396), (145, 294424), (149, 286520), (152, 280865), (190, 224692), (232, 184015), (247, 172840), (260, 164198), (290, 147212), (298, 143260), (377, 113240), (380, 112346), (494, 86420), (520, 82099), (551, 77480), (580, 73606), (596, 71630), (745, 57304), (754, 56620), (760, 56173), (988, 43210), (1102, 38740), (1160, 36803), (1192, 35815), (1235, 34568), (1490, 28652), (1508, 28310), (1885, 22648), (1937, 22040), (1976, 21605), (2204, 19370), (2470, 17284), (2755, 15496), (2831, 15080), (2980, 14326), (3016, 14155), (3770, 11324), (3874, 11020), (4321, 9880), (4408, 9685), (4940, 8642), (5510, 7748), (5662, 7540), (5960, 7163)]