647529980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1116431}}^1$

素因数の和:1116469

約数の個数: 24

約数和(自身を含む): 1406704320

約数和(自身を除く): 759174340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1116431, 2232862, 4465724, 5582155, 11164310, 22328620, 32376499, 64752998, 129505996, 161882495, 323764990, 647529980]

約数ペア:

[(1, 647529980), (2, 323764990), (4, 161882495), (5, 129505996), (10, 64752998), (20, 32376499), (29, 22328620), (58, 11164310), (116, 5582155), (145, 4465724), (290, 2232862), (580, 1116431)]