217351590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{102043}}^1$

素因数の和:102124

約数の個数: 32

約数和(自身を含む): 528996096

約数和(自身を除く): 311644506

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 102043, 204086, 306129, 510215, 612258, 1020430, 1530645, 3061290, 7245053, 14490106, 21735159, 36225265, 43470318, 72450530, 108675795, 217351590]

約数ペア:

[(1, 217351590), (2, 108675795), (3, 72450530), (5, 43470318), (6, 36225265), (10, 21735159), (15, 14490106), (30, 7245053), (71, 3061290), (142, 1530645), (213, 1020430), (355, 612258), (426, 510215), (710, 306129), (1065, 204086), (2130, 102043)]