245397320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23687}}^1$

素因数の和:23742

約数の個数: 64

約数和(自身を含む): 648103680

約数和(自身を除く): 402706360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 23687, 47374, 94748, 118435, 165809, 189496, 236870, 331618, 473740, 663236, 829045, 876419, 947480, 1326472, 1658090, 1752838, 3316180, 3505676, 4382095, 6134933, 6632360, 7011352, 8764190, 12269866, 17528380, 24539732, 30674665, 35056760, 49079464, 61349330, 122698660, 245397320]

約数ペア:

[(1, 245397320), (2, 122698660), (4, 61349330), (5, 49079464), (7, 35056760), (8, 30674665), (10, 24539732), (14, 17528380), (20, 12269866), (28, 8764190), (35, 7011352), (37, 6632360), (40, 6134933), (56, 4382095), (70, 3505676), (74, 3316180), (140, 1752838), (148, 1658090), (185, 1326472), (259, 947480), (280, 876419), (296, 829045), (370, 663236), (518, 473740), (740, 331618), (1036, 236870), (1295, 189496), (1480, 165809), (2072, 118435), (2590, 94748), (5180, 47374), (10360, 23687)]