2513225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 3958080

約数和(自身を除く): 1444855

約数列:

[1, 5, 11, 13, 19, 25, 37, 55, 65, 95, 143, 185, 209, 247, 275, 325, 407, 475, 481, 703, 715, 925, 1045, 1235, 2035, 2405, 2717, 3515, 3575, 5225, 5291, 6175, 7733, 9139, 10175, 12025, 13585, 17575, 26455, 38665, 45695, 67925, 100529, 132275, 193325, 228475, 502645, 2513225]

約数ペア:

[(1, 2513225), (5, 502645), (11, 228475), (13, 193325), (19, 132275), (25, 100529), (37, 67925), (55, 45695), (65, 38665), (95, 26455), (143, 17575), (185, 13585), (209, 12025), (247, 10175), (275, 9139), (325, 7733), (407, 6175), (475, 5291), (481, 5225), (703, 3575), (715, 3515), (925, 2717), (1045, 2405), (1235, 2035)]