28885900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^2\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 54

約数和(自身を含む): 64727628

約数和(自身を除く): 35841728

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 211, 370, 422, 740, 844, 925, 1055, 1369, 1850, 2110, 2738, 3700, 4220, 5275, 5476, 6845, 7807, 10550, 13690, 15614, 21100, 27380, 31228, 34225, 39035, 68450, 78070, 136900, 156140, 195175, 288859, 390350, 577718, 780700, 1155436, 1444295, 2888590, 5777180, 7221475, 14442950, 28885900]

約数ペア:

[(1, 28885900), (2, 14442950), (4, 7221475), (5, 5777180), (10, 2888590), (20, 1444295), (25, 1155436), (37, 780700), (50, 577718), (74, 390350), (100, 288859), (148, 195175), (185, 156140), (211, 136900), (370, 78070), (422, 68450), (740, 39035), (844, 34225), (925, 31228), (1055, 27380), (1369, 21100), (1850, 15614), (2110, 13690), (2738, 10550), (3700, 7807), (4220, 6845), (5275, 5476)]