857379890

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{14867}}^1$

素因数の和:15026

約数の個数: 32

約数和(自身を含む): 1584334080

約数和(自身を除く): 726954190

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 365, 395, 730, 790, 5767, 11534, 14867, 28835, 29734, 57670, 74335, 148670, 1085291, 1174493, 2170582, 2348986, 5426455, 5872465, 10852910, 11744930, 85737989, 171475978, 428689945, 857379890]

約数ペア:

[(1, 857379890), (2, 428689945), (5, 171475978), (10, 85737989), (73, 11744930), (79, 10852910), (146, 5872465), (158, 5426455), (365, 2348986), (395, 2170582), (730, 1174493), (790, 1085291), (5767, 148670), (11534, 74335), (14867, 57670), (28835, 29734)]