289272470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{1429}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 538686720

約数和(自身を除く): 249414250

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 653, 1306, 1429, 2858, 3265, 6530, 7145, 14290, 20243, 40486, 44299, 88598, 101215, 202430, 221495, 442990, 933137, 1866274, 4665685, 9331370, 28927247, 57854494, 144636235, 289272470]

約数ペア:

[(1, 289272470), (2, 144636235), (5, 57854494), (10, 28927247), (31, 9331370), (62, 4665685), (155, 1866274), (310, 933137), (653, 442990), (1306, 221495), (1429, 202430), (2858, 101215), (3265, 88598), (6530, 44299), (7145, 40486), (14290, 20243)]