251013020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{2011}}^1$

素因数の和:2178

約数の個数: 36

約数和(自身を含む): 534149784

約数和(自身を除く): 283136764

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2011, 4022, 6241, 8044, 10055, 12482, 20110, 24964, 31205, 40220, 62410, 124820, 158869, 317738, 635476, 794345, 1588690, 3177380, 12550651, 25101302, 50202604, 62753255, 125506510, 251013020]

約数ペア:

[(1, 251013020), (2, 125506510), (4, 62753255), (5, 50202604), (10, 25101302), (20, 12550651), (79, 3177380), (158, 1588690), (316, 794345), (395, 635476), (790, 317738), (1580, 158869), (2011, 124820), (4022, 62410), (6241, 40220), (8044, 31205), (10055, 24964), (12482, 20110)]