2128087225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{4231}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 3022663680

約数和(自身を除く): 894576455

約数列:

[1, 5, 11, 25, 31, 55, 59, 155, 275, 295, 341, 649, 775, 1475, 1705, 1829, 3245, 4231, 8525, 9145, 16225, 20119, 21155, 45725, 46541, 100595, 105775, 131161, 232705, 249629, 502975, 655805, 1163525, 1248145, 1442771, 2745919, 3279025, 6240725, 7213855, 7738499, 13729595, 36069275, 38692495, 68647975, 85123489, 193462475, 425617445, 2128087225]

約数ペア:

[(1, 2128087225), (5, 425617445), (11, 193462475), (25, 85123489), (31, 68647975), (55, 38692495), (59, 36069275), (155, 13729595), (275, 7738499), (295, 7213855), (341, 6240725), (649, 3279025), (775, 2745919), (1475, 1442771), (1705, 1248145), (1829, 1163525), (3245, 655805), (4231, 502975), (8525, 249629), (9145, 232705), (16225, 131161), (20119, 105775), (21155, 100595), (45725, 46541)]