17349980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 37167480

約数和(自身を除く): 19817500

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 790, 1390, 1580, 2780, 6241, 10981, 12482, 21962, 24964, 31205, 43924, 54905, 62410, 109810, 124820, 219620, 867499, 1734998, 3469996, 4337495, 8674990, 17349980]

約数ペア:

[(1, 17349980), (2, 8674990), (4, 4337495), (5, 3469996), (10, 1734998), (20, 867499), (79, 219620), (139, 124820), (158, 109810), (278, 62410), (316, 54905), (395, 43924), (556, 31205), (695, 24964), (790, 21962), (1390, 12482), (1580, 10981), (2780, 6241)]