102800900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{14479}}^1$

素因数の和:14564

約数の個数: 36

約数和(自身を含む): 226235520

約数和(自身を除く): 123434620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 14479, 28958, 57916, 72395, 144790, 289580, 361975, 723950, 1028009, 1447900, 2056018, 4112036, 5140045, 10280090, 20560180, 25700225, 51400450, 102800900]

約数ペア:

[(1, 102800900), (2, 51400450), (4, 25700225), (5, 20560180), (10, 10280090), (20, 5140045), (25, 4112036), (50, 2056018), (71, 1447900), (100, 1028009), (142, 723950), (284, 361975), (355, 289580), (710, 144790), (1420, 72395), (1775, 57916), (3550, 28958), (7100, 14479)]