70112500

素因数分解:

$2^2\times 5^5\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 157489920

約数和(自身を除く): 87377420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 79, 100, 125, 142, 158, 250, 284, 316, 355, 395, 500, 625, 710, 790, 1250, 1420, 1580, 1775, 1975, 2500, 3125, 3550, 3950, 5609, 6250, 7100, 7900, 8875, 9875, 11218, 12500, 17750, 19750, 22436, 28045, 35500, 39500, 44375, 49375, 56090, 88750, 98750, 112180, 140225, 177500, 197500, 221875, 246875, 280450, 443750, 493750, 560900, 701125, 887500, 987500, 1402250, 2804500, 3505625, 7011250, 14022500, 17528125, 35056250, 70112500]

約数ペア:

[(1, 70112500), (2, 35056250), (4, 17528125), (5, 14022500), (10, 7011250), (20, 3505625), (25, 2804500), (50, 1402250), (71, 987500), (79, 887500), (100, 701125), (125, 560900), (142, 493750), (158, 443750), (250, 280450), (284, 246875), (316, 221875), (355, 197500), (395, 177500), (500, 140225), (625, 112180), (710, 98750), (790, 88750), (1250, 56090), (1420, 49375), (1580, 44375), (1775, 39500), (1975, 35500), (2500, 28045), (3125, 22436), (3550, 19750), (3950, 17750), (5609, 12500), (6250, 11218), (7100, 9875), (7900, 8875)]