258147560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20231}}^1$

素因数の和:20282

約数の個数: 64

約数和(自身を含む): 655516800

約数和(自身を除く): 397369240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 20231, 40462, 80924, 101155, 161848, 202310, 222541, 404620, 445082, 586699, 809240, 890164, 1112705, 1173398, 1780328, 2225410, 2346796, 2933495, 4450820, 4693592, 5866990, 6453689, 8901640, 11733980, 12907378, 23467960, 25814756, 32268445, 51629512, 64536890, 129073780, 258147560]

約数ペア:

[(1, 258147560), (2, 129073780), (4, 64536890), (5, 51629512), (8, 32268445), (10, 25814756), (11, 23467960), (20, 12907378), (22, 11733980), (29, 8901640), (40, 6453689), (44, 5866990), (55, 4693592), (58, 4450820), (88, 2933495), (110, 2346796), (116, 2225410), (145, 1780328), (220, 1173398), (232, 1112705), (290, 890164), (319, 809240), (440, 586699), (580, 445082), (638, 404620), (1160, 222541), (1276, 202310), (1595, 161848), (2552, 101155), (3190, 80924), (6380, 40462), (12760, 20231)]