69399620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 149361408

約数和(自身を除く): 79961788

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 415, 431, 485, 830, 862, 970, 1660, 1724, 1940, 2155, 4310, 8051, 8620, 16102, 32204, 35773, 40255, 41807, 71546, 80510, 83614, 143092, 161020, 167228, 178865, 209035, 357730, 418070, 715460, 836140, 3469981, 6939962, 13879924, 17349905, 34699810, 69399620]

約数ペア:

[(1, 69399620), (2, 34699810), (4, 17349905), (5, 13879924), (10, 6939962), (20, 3469981), (83, 836140), (97, 715460), (166, 418070), (194, 357730), (332, 209035), (388, 178865), (415, 167228), (431, 161020), (485, 143092), (830, 83614), (862, 80510), (970, 71546), (1660, 41807), (1724, 40255), (1940, 35773), (2155, 32204), (4310, 16102), (8051, 8620)]