69820990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 131420160

約数和(自身を除く): 61599170

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 2851, 4898, 5702, 12245, 14255, 24490, 28510, 88381, 176762, 225229, 441905, 450458, 883810, 1126145, 2252290, 6982099, 13964198, 34910495, 69820990]

約数ペア:

[(1, 69820990), (2, 34910495), (5, 13964198), (10, 6982099), (31, 2252290), (62, 1126145), (79, 883810), (155, 450458), (158, 441905), (310, 225229), (395, 176762), (790, 88381), (2449, 28510), (2851, 24490), (4898, 14255), (5702, 12245)]