251010370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 257021630

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 139, 145, 278, 290, 377, 479, 695, 754, 958, 1390, 1807, 1885, 2395, 3614, 3770, 4031, 4790, 6227, 8062, 9035, 12454, 13891, 18070, 20155, 27782, 31135, 40310, 52403, 62270, 66581, 69455, 104806, 133162, 138910, 180583, 262015, 332905, 361166, 524030, 665810, 865553, 902915, 1731106, 1805830, 1930849, 3861698, 4327765, 8655530, 9654245, 19308490, 25101037, 50202074, 125505185, 251010370]

約数ペア:

[(1, 251010370), (2, 125505185), (5, 50202074), (10, 25101037), (13, 19308490), (26, 9654245), (29, 8655530), (58, 4327765), (65, 3861698), (130, 1930849), (139, 1805830), (145, 1731106), (278, 902915), (290, 865553), (377, 665810), (479, 524030), (695, 361166), (754, 332905), (958, 262015), (1390, 180583), (1807, 138910), (1885, 133162), (2395, 104806), (3614, 69455), (3770, 66581), (4031, 62270), (4790, 52403), (6227, 40310), (8062, 31135), (9035, 27782), (12454, 20155), (13891, 18070)]