867620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1164508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 71, 94, 130, 142, 188, 235, 260, 284, 355, 470, 611, 710, 923, 940, 1222, 1420, 1846, 2444, 3055, 3337, 3692, 4615, 6110, 6674, 9230, 12220, 13348, 16685, 18460, 33370, 43381, 66740, 86762, 173524, 216905, 433810, 867620]

約数ペア:

[(1, 867620), (2, 433810), (4, 216905), (5, 173524), (10, 86762), (13, 66740), (20, 43381), (26, 33370), (47, 18460), (52, 16685), (65, 13348), (71, 12220), (94, 9230), (130, 6674), (142, 6110), (188, 4615), (235, 3692), (260, 3337), (284, 3055), (355, 2444), (470, 1846), (611, 1420), (710, 1222), (923, 940)]