155540990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83177}}^1$

素因数の和:83212

約数の個数: 32

約数和(自身を含む): 323396064

約数和(自身を除く): 167855074

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 83177, 166354, 415885, 831770, 914947, 1414009, 1829894, 2828018, 4574735, 7070045, 9149470, 14140090, 15554099, 31108198, 77770495, 155540990]

約数ペア:

[(1, 155540990), (2, 77770495), (5, 31108198), (10, 15554099), (11, 14140090), (17, 9149470), (22, 7070045), (34, 4574735), (55, 2828018), (85, 1829894), (110, 1414009), (170, 914947), (187, 831770), (374, 415885), (935, 166354), (1870, 83177)]