191520.0000000

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 11718000

約数和(自身を除く): 7224160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 149, 208, 232, 260, 290, 298, 377, 464, 520, 580, 596, 745, 754, 1040, 1160, 1192, 1490, 1508, 1885, 1937, 2320, 2384, 2980, 3016, 3770, 3874, 4321, 5960, 6032, 7540, 7748, 8642, 9685, 11920, 15080, 15496, 17284, 19370, 21605, 30160, 30992, 34568, 38740, 43210, 56173, 69136, 77480, 86420, 112346, 154960, 172840, 224692, 280865, 345680, 449384, 561730, 898768, 1123460, 2246920, 4493840]

約数ペア:

[(1, 4493840), (2, 2246920), (4, 1123460), (5, 898768), (8, 561730), (10, 449384), (13, 345680), (16, 280865), (20, 224692), (26, 172840), (29, 154960), (40, 112346), (52, 86420), (58, 77480), (65, 69136), (80, 56173), (104, 43210), (116, 38740), (130, 34568), (145, 30992), (149, 30160), (208, 21605), (232, 19370), (260, 17284), (290, 15496), (298, 15080), (377, 11920), (464, 9685), (520, 8642), (580, 7748), (596, 7540), (745, 6032), (754, 5960), (1040, 4321), (1160, 3874), (1192, 3770), (1490, 3016), (1508, 2980), (1885, 2384), (1937, 2320)]