394465240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2251}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 959081760

約数和(自身を除く): 564616520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 337, 520, 674, 1348, 1685, 2251, 2696, 3370, 4381, 4502, 6740, 8762, 9004, 11255, 13480, 17524, 18008, 21905, 22510, 29263, 35048, 43810, 45020, 58526, 87620, 90040, 117052, 146315, 175240, 234104, 292630, 585260, 758587, 1170520, 1517174, 3034348, 3792935, 6068696, 7585870, 9861631, 15171740, 19723262, 30343480, 39446524, 49308155, 78893048, 98616310, 197232620, 394465240]

約数ペア:

[(1, 394465240), (2, 197232620), (4, 98616310), (5, 78893048), (8, 49308155), (10, 39446524), (13, 30343480), (20, 19723262), (26, 15171740), (40, 9861631), (52, 7585870), (65, 6068696), (104, 3792935), (130, 3034348), (260, 1517174), (337, 1170520), (520, 758587), (674, 585260), (1348, 292630), (1685, 234104), (2251, 175240), (2696, 146315), (3370, 117052), (4381, 90040), (4502, 87620), (6740, 58526), (8762, 45020), (9004, 43810), (11255, 35048), (13480, 29263), (17524, 22510), (18008, 21905)]