28256900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 72037056

約数和(自身を除く): 43780156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 925, 1036, 1091, 1295, 1850, 2182, 2590, 3700, 4364, 5180, 5455, 6475, 7637, 10910, 12950, 15274, 21820, 25900, 27275, 30548, 38185, 40367, 54550, 76370, 80734, 109100, 152740, 161468, 190925, 201835, 282569, 381850, 403670, 565138, 763700, 807340, 1009175, 1130276, 1412845, 2018350, 2825690, 4036700, 5651380, 7064225, 14128450, 28256900]

約数ペア:

[(1, 28256900), (2, 14128450), (4, 7064225), (5, 5651380), (7, 4036700), (10, 2825690), (14, 2018350), (20, 1412845), (25, 1130276), (28, 1009175), (35, 807340), (37, 763700), (50, 565138), (70, 403670), (74, 381850), (100, 282569), (140, 201835), (148, 190925), (175, 161468), (185, 152740), (259, 109100), (350, 80734), (370, 76370), (518, 54550), (700, 40367), (740, 38185), (925, 30548), (1036, 27275), (1091, 25900), (1295, 21820), (1850, 15274), (2182, 12950), (2590, 10910), (3700, 7637), (4364, 6475), (5180, 5455)]