408035540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{10247}}^1$

素因数の和:10448

約数の個数: 48

約数和(自身を含む): 940028544

約数和(自身を除く): 531993004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 10247, 19910, 20494, 39820, 40988, 51235, 102470, 112717, 204940, 225434, 450868, 563585, 1127170, 1854707, 2254340, 3709414, 7418828, 9273535, 18547070, 20401777, 37094140, 40803554, 81607108, 102008885, 204017770, 408035540]

約数ペア:

[(1, 408035540), (2, 204017770), (4, 102008885), (5, 81607108), (10, 40803554), (11, 37094140), (20, 20401777), (22, 18547070), (44, 9273535), (55, 7418828), (110, 3709414), (181, 2254340), (220, 1854707), (362, 1127170), (724, 563585), (905, 450868), (1810, 225434), (1991, 204940), (3620, 112717), (3982, 102470), (7964, 51235), (9955, 40988), (10247, 39820), (19910, 20494)]