726740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 1814400

約数和(自身を除く): 1087660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 179, 203, 290, 358, 406, 580, 716, 812, 895, 1015, 1253, 1790, 2030, 2506, 3580, 4060, 5012, 5191, 6265, 10382, 12530, 20764, 25060, 25955, 36337, 51910, 72674, 103820, 145348, 181685, 363370, 726740]

約数ペア:

[(1, 726740), (2, 363370), (4, 181685), (5, 145348), (7, 103820), (10, 72674), (14, 51910), (20, 36337), (28, 25955), (29, 25060), (35, 20764), (58, 12530), (70, 10382), (116, 6265), (140, 5191), (145, 5012), (179, 4060), (203, 3580), (290, 2506), (358, 2030), (406, 1790), (580, 1253), (716, 1015), (812, 895)]