428520500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{12071}}^1$

素因数の和:12161

約数の個数: 48

約数和(自身を含む): 949148928

約数和(自身を除く): 520628428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 3550, 7100, 8875, 12071, 17750, 24142, 35500, 48284, 60355, 120710, 241420, 301775, 603550, 857041, 1207100, 1508875, 1714082, 3017750, 3428164, 4285205, 6035500, 8570410, 17140820, 21426025, 42852050, 85704100, 107130125, 214260250, 428520500]

約数ペア:

[(1, 428520500), (2, 214260250), (4, 107130125), (5, 85704100), (10, 42852050), (20, 21426025), (25, 17140820), (50, 8570410), (71, 6035500), (100, 4285205), (125, 3428164), (142, 3017750), (250, 1714082), (284, 1508875), (355, 1207100), (500, 857041), (710, 603550), (1420, 301775), (1775, 241420), (3550, 120710), (7100, 60355), (8875, 48284), (12071, 35500), (17750, 24142)]