42119890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2478

約数の個数: 32

約数和(自身を含む): 79749360

約数和(自身を除く): 37629470

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 2381, 3538, 4762, 8845, 11905, 17690, 23810, 69049, 138098, 145241, 290482, 345245, 690490, 726205, 1452410, 4211989, 8423978, 21059945, 42119890]

約数ペア:

[(1, 42119890), (2, 21059945), (5, 8423978), (10, 4211989), (29, 1452410), (58, 726205), (61, 690490), (122, 345245), (145, 290482), (290, 145241), (305, 138098), (610, 69049), (1769, 23810), (2381, 17690), (3538, 11905), (4762, 8845)]