69535420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 149855328

約数和(自身を除く): 80319908

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 491, 730, 970, 982, 1460, 1940, 1964, 2455, 4910, 7081, 9820, 14162, 28324, 35405, 35843, 47627, 70810, 71686, 95254, 141620, 143372, 179215, 190508, 238135, 358430, 476270, 716860, 952540, 3476771, 6953542, 13907084, 17383855, 34767710, 69535420]

約数ペア:

[(1, 69535420), (2, 34767710), (4, 17383855), (5, 13907084), (10, 6953542), (20, 3476771), (73, 952540), (97, 716860), (146, 476270), (194, 358430), (292, 238135), (365, 190508), (388, 179215), (485, 143372), (491, 141620), (730, 95254), (970, 71686), (982, 70810), (1460, 47627), (1940, 35843), (1964, 35405), (2455, 28324), (4910, 14162), (7081, 9820)]