30890570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 57770496

約数和(自身を除く): 26879926

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 397, 502, 794, 1255, 1985, 2510, 3970, 7781, 12307, 15562, 24614, 38905, 61535, 77810, 99647, 123070, 199294, 498235, 996470, 3089057, 6178114, 15445285, 30890570]

約数ペア:

[(1, 30890570), (2, 15445285), (5, 6178114), (10, 3089057), (31, 996470), (62, 498235), (155, 199294), (251, 123070), (310, 99647), (397, 77810), (502, 61535), (794, 38905), (1255, 24614), (1985, 15562), (2510, 12307), (3970, 7781)]