1209620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 2623488

約数和(自身を除く): 1413868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1951, 3902, 7804, 9755, 19510, 39020, 60481, 120962, 241924, 302405, 604810, 1209620]

約数ペア:

[(1, 1209620), (2, 604810), (4, 302405), (5, 241924), (10, 120962), (20, 60481), (31, 39020), (62, 19510), (124, 9755), (155, 7804), (310, 3902), (620, 1951)]