2021016025

素因数分解:

$5^2\times 7^3\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 2938998400

約数和(自身を除く): 917982375

約数列:

[1, 5, 7, 25, 35, 49, 175, 211, 245, 343, 1055, 1117, 1225, 1477, 1715, 5275, 5585, 7385, 7819, 8575, 10339, 27925, 36925, 39095, 51695, 54733, 72373, 195475, 235687, 258475, 273665, 361865, 383131, 1178435, 1368325, 1649809, 1809325, 1915655, 5892175, 8249045, 9578275, 11548663, 41245225, 57743315, 80840641, 288716575, 404203205, 2021016025]

約数ペア:

[(1, 2021016025), (5, 404203205), (7, 288716575), (25, 80840641), (35, 57743315), (49, 41245225), (175, 11548663), (211, 9578275), (245, 8249045), (343, 5892175), (1055, 1915655), (1117, 1809325), (1225, 1649809), (1477, 1368325), (1715, 1178435), (5275, 383131), (5585, 361865), (7385, 273665), (7819, 258475), (8575, 235687), (10339, 195475), (27925, 72373), (36925, 54733), (39095, 51695)]