2758840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4498760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 167, 236, 280, 295, 334, 413, 472, 590, 668, 826, 835, 1169, 1180, 1336, 1652, 1670, 2065, 2338, 2360, 3304, 3340, 4130, 4676, 5845, 6680, 8260, 9352, 9853, 11690, 16520, 19706, 23380, 39412, 46760, 49265, 68971, 78824, 98530, 137942, 197060, 275884, 344855, 394120, 551768, 689710, 1379420, 2758840]

約数ペア:

[(1, 2758840), (2, 1379420), (4, 689710), (5, 551768), (7, 394120), (8, 344855), (10, 275884), (14, 197060), (20, 137942), (28, 98530), (35, 78824), (40, 68971), (56, 49265), (59, 46760), (70, 39412), (118, 23380), (140, 19706), (167, 16520), (236, 11690), (280, 9853), (295, 9352), (334, 8260), (413, 6680), (472, 5845), (590, 4676), (668, 4130), (826, 3340), (835, 3304), (1169, 2360), (1180, 2338), (1336, 2065), (1652, 1670)]