389470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 777600

約数和(自身を除く): 388130

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 79, 85, 145, 158, 170, 290, 395, 493, 790, 986, 1343, 2291, 2465, 2686, 4582, 4930, 6715, 11455, 13430, 22910, 38947, 77894, 194735, 389470]

約数ペア:

[(1, 389470), (2, 194735), (5, 77894), (10, 38947), (17, 22910), (29, 13430), (34, 11455), (58, 6715), (79, 4930), (85, 4582), (145, 2686), (158, 2465), (170, 2291), (290, 1343), (395, 986), (493, 790)]