900256240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{66587}}^1$

素因数の和:66626

約数の個数: 60

約数和(自身を含む): 2266522344

約数和(自身を除く): 1366266104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 66587, 133174, 266348, 332935, 532696, 665870, 865631, 1065392, 1331740, 1731262, 2663480, 3462524, 4328155, 5326960, 6925048, 8656310, 11253203, 13850096, 17312620, 22506406, 34625240, 45012812, 56266015, 69250480, 90025624, 112532030, 180051248, 225064060, 450128120, 900256240]

約数ペア:

[(1, 900256240), (2, 450128120), (4, 225064060), (5, 180051248), (8, 112532030), (10, 90025624), (13, 69250480), (16, 56266015), (20, 45012812), (26, 34625240), (40, 22506406), (52, 17312620), (65, 13850096), (80, 11253203), (104, 8656310), (130, 6925048), (169, 5326960), (208, 4328155), (260, 3462524), (338, 2663480), (520, 1731262), (676, 1331740), (845, 1065392), (1040, 865631), (1352, 665870), (1690, 532696), (2704, 332935), (3380, 266348), (6760, 133174), (13520, 66587)]