210316990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{55787}}^1$

素因数の和:55836

約数の個数: 32

約数和(自身を含む): 421757280

約数和(自身を除く): 211440290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 55787, 111574, 278935, 557870, 725231, 1450462, 1617823, 3235646, 3626155, 7252310, 8089115, 16178230, 21031699, 42063398, 105158495, 210316990]

約数ペア:

[(1, 210316990), (2, 105158495), (5, 42063398), (10, 21031699), (13, 16178230), (26, 8089115), (29, 7252310), (58, 3626155), (65, 3235646), (130, 1617823), (145, 1450462), (290, 725231), (377, 557870), (754, 278935), (1885, 111574), (3770, 55787)]