1123460

素因数分解:

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

素因数の和:200

約数の個数: 48

約数和(自身を含む): 2646000

約数和(自身を除く): 1522540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 149, 260, 290, 298, 377, 580, 596, 745, 754, 1490, 1508, 1885, 1937, 2980, 3770, 3874, 4321, 7540, 7748, 8642, 9685, 17284, 19370, 21605, 38740, 43210, 56173, 86420, 112346, 224692, 280865, 561730, 1123460]

約数ペア:

[(1, 1123460), (2, 561730), (4, 280865), (5, 224692), (10, 112346), (13, 86420), (20, 56173), (26, 43210), (29, 38740), (52, 21605), (58, 19370), (65, 17284), (116, 9685), (130, 8642), (145, 7748), (149, 7540), (260, 4321), (290, 3874), (298, 3770), (377, 2980), (580, 1937), (596, 1885), (745, 1508), (754, 1490)]