31301930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 68584320

約数和(自身を除く): 37282390

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 881, 935, 1045, 1615, 1762, 1870, 2090, 3230, 3553, 4405, 7106, 8810, 9691, 14977, 16739, 17765, 19382, 29954, 33478, 35530, 48455, 74885, 83695, 96910, 149770, 164747, 167390, 184129, 284563, 329494, 368258, 569126, 823735, 920645, 1422815, 1647470, 1841290, 2845630, 3130193, 6260386, 15650965, 31301930]

約数ペア:

[(1, 31301930), (2, 15650965), (5, 6260386), (10, 3130193), (11, 2845630), (17, 1841290), (19, 1647470), (22, 1422815), (34, 920645), (38, 823735), (55, 569126), (85, 368258), (95, 329494), (110, 284563), (170, 184129), (187, 167390), (190, 164747), (209, 149770), (323, 96910), (374, 83695), (418, 74885), (646, 48455), (881, 35530), (935, 33478), (1045, 29954), (1615, 19382), (1762, 17765), (1870, 16739), (2090, 14977), (3230, 9691), (3553, 8810), (4405, 7106)]