4940540

素因数分解:

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

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 11993184

約数和(自身を除く): 7052644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1321, 1870, 2642, 3740, 5284, 6605, 13210, 14531, 22457, 26420, 29062, 44914, 58124, 72655, 89828, 112285, 145310, 224570, 247027, 290620, 449140, 494054, 988108, 1235135, 2470270, 4940540]

約数ペア:

[(1, 4940540), (2, 2470270), (4, 1235135), (5, 988108), (10, 494054), (11, 449140), (17, 290620), (20, 247027), (22, 224570), (34, 145310), (44, 112285), (55, 89828), (68, 72655), (85, 58124), (110, 44914), (170, 29062), (187, 26420), (220, 22457), (340, 14531), (374, 13210), (748, 6605), (935, 5284), (1321, 3740), (1870, 2642)]