54345940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 132924456

約数和(自身を除く): 78578516

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1321, 1870, 2057, 2420, 2642, 3740, 4114, 5284, 6605, 8228, 10285, 13210, 14531, 20570, 22457, 26420, 29062, 41140, 44914, 58124, 72655, 89828, 112285, 145310, 159841, 224570, 247027, 290620, 319682, 449140, 494054, 639364, 799205, 988108, 1235135, 1598410, 2470270, 2717297, 3196820, 4940540, 5434594, 10869188, 13586485, 27172970, 54345940]

約数ペア:

[(1, 54345940), (2, 27172970), (4, 13586485), (5, 10869188), (10, 5434594), (11, 4940540), (17, 3196820), (20, 2717297), (22, 2470270), (34, 1598410), (44, 1235135), (55, 988108), (68, 799205), (85, 639364), (110, 494054), (121, 449140), (170, 319682), (187, 290620), (220, 247027), (242, 224570), (340, 159841), (374, 145310), (484, 112285), (605, 89828), (748, 72655), (935, 58124), (1210, 44914), (1321, 41140), (1870, 29062), (2057, 26420), (2420, 22457), (2642, 20570), (3740, 14531), (4114, 13210), (5284, 10285), (6605, 8228)]