2149492720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{455401}}^1$

素因数の和:455473

約数の個数: 40

約数和(自身を含む): 5082286320

約数和(自身を除く): 2932793600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 455401, 910802, 1821604, 2277005, 3643208, 4554010, 7286416, 9108020, 18216040, 26868659, 36432080, 53737318, 107474636, 134343295, 214949272, 268686590, 429898544, 537373180, 1074746360, 2149492720]

約数ペア:

[(1, 2149492720), (2, 1074746360), (4, 537373180), (5, 429898544), (8, 268686590), (10, 214949272), (16, 134343295), (20, 107474636), (40, 53737318), (59, 36432080), (80, 26868659), (118, 18216040), (236, 9108020), (295, 7286416), (472, 4554010), (590, 3643208), (944, 2277005), (1180, 1821604), (2360, 910802), (4720, 455401)]