404717620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{1619}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 881798400

約数和(自身を除く): 477080780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 431, 580, 862, 1619, 1724, 2155, 3238, 4310, 6476, 8095, 8620, 12499, 16190, 24998, 32380, 46951, 49996, 62495, 93902, 124990, 187804, 234755, 249980, 469510, 697789, 939020, 1395578, 2791156, 3488945, 6977890, 13955780, 20235881, 40471762, 80943524, 101179405, 202358810, 404717620]

約数ペア:

[(1, 404717620), (2, 202358810), (4, 101179405), (5, 80943524), (10, 40471762), (20, 20235881), (29, 13955780), (58, 6977890), (116, 3488945), (145, 2791156), (290, 1395578), (431, 939020), (580, 697789), (862, 469510), (1619, 249980), (1724, 234755), (2155, 187804), (3238, 124990), (4310, 93902), (6476, 62495), (8095, 49996), (8620, 46951), (12499, 32380), (16190, 24998)]