202910900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{28579}}^1$

素因数の和:28664

約数の個数: 36

約数和(自身を含む): 446533920

約数和(自身を除く): 243623020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 28579, 57158, 114316, 142895, 285790, 571580, 714475, 1428950, 2029109, 2857900, 4058218, 8116436, 10145545, 20291090, 40582180, 50727725, 101455450, 202910900]

約数ペア:

[(1, 202910900), (2, 101455450), (4, 50727725), (5, 40582180), (10, 20291090), (20, 10145545), (25, 8116436), (50, 4058218), (71, 2857900), (100, 2029109), (142, 1428950), (284, 714475), (355, 571580), (710, 285790), (1420, 142895), (1775, 114316), (3550, 57158), (7100, 28579)]