69984850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 142365888

約数和(自身を除く): 72381038

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1607, 1675, 1742, 3214, 3350, 4355, 8035, 8710, 16070, 20891, 21775, 40175, 41782, 43550, 80350, 104455, 107669, 208910, 215338, 522275, 538345, 1044550, 1076690, 1399697, 2691725, 2799394, 5383450, 6998485, 13996970, 34992425, 69984850]

約数ペア:

[(1, 69984850), (2, 34992425), (5, 13996970), (10, 6998485), (13, 5383450), (25, 2799394), (26, 2691725), (50, 1399697), (65, 1076690), (67, 1044550), (130, 538345), (134, 522275), (325, 215338), (335, 208910), (650, 107669), (670, 104455), (871, 80350), (1607, 43550), (1675, 41782), (1742, 40175), (3214, 21775), (3350, 20891), (4355, 16070), (8035, 8710)]