168295420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^2\times {\mathrm{659}}^1$

素因数の和:894

約数の個数: 36

約数和(自身を含む): 357116760

約数和(自身を除く): 188821340

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 659, 1130, 1318, 2260, 2636, 3295, 6590, 12769, 13180, 25538, 51076, 63845, 74467, 127690, 148934, 255380, 297868, 372335, 744670, 1489340, 8414771, 16829542, 33659084, 42073855, 84147710, 168295420]

約数ペア:

[(1, 168295420), (2, 84147710), (4, 42073855), (5, 33659084), (10, 16829542), (20, 8414771), (113, 1489340), (226, 744670), (452, 372335), (565, 297868), (659, 255380), (1130, 148934), (1318, 127690), (2260, 74467), (2636, 63845), (3295, 51076), (6590, 25538), (12769, 13180)]