251019080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 621380160

約数和(自身を除く): 370361080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 169, 260, 284, 338, 355, 520, 523, 568, 676, 710, 845, 923, 1046, 1352, 1420, 1690, 1846, 2092, 2615, 2840, 3380, 3692, 4184, 4615, 5230, 6760, 6799, 7384, 9230, 10460, 11999, 13598, 18460, 20920, 23998, 27196, 33995, 36920, 37133, 47996, 54392, 59995, 67990, 74266, 88387, 95992, 119990, 135980, 148532, 176774, 185665, 239980, 271960, 297064, 353548, 371330, 441935, 479960, 482729, 707096, 742660, 883870, 965458, 1485320, 1767740, 1930916, 2413645, 3535480, 3861832, 4827290, 6275477, 9654580, 12550954, 19309160, 25101908, 31377385, 50203816, 62754770, 125509540, 251019080]

約数ペア:

[(1, 251019080), (2, 125509540), (4, 62754770), (5, 50203816), (8, 31377385), (10, 25101908), (13, 19309160), (20, 12550954), (26, 9654580), (40, 6275477), (52, 4827290), (65, 3861832), (71, 3535480), (104, 2413645), (130, 1930916), (142, 1767740), (169, 1485320), (260, 965458), (284, 883870), (338, 742660), (355, 707096), (520, 482729), (523, 479960), (568, 441935), (676, 371330), (710, 353548), (845, 297064), (923, 271960), (1046, 239980), (1352, 185665), (1420, 176774), (1690, 148532), (1846, 135980), (2092, 119990), (2615, 95992), (2840, 88387), (3380, 74266), (3692, 67990), (4184, 59995), (4615, 54392), (5230, 47996), (6760, 37133), (6799, 36920), (7384, 33995), (9230, 27196), (10460, 23998), (11999, 20920), (13598, 18460)]