68400475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 107149392

約数和(自身を除く): 38748917

約数列:

[1, 5, 11, 13, 19, 25, 53, 55, 65, 95, 143, 209, 247, 265, 275, 325, 361, 475, 583, 689, 715, 1007, 1045, 1235, 1325, 1805, 2717, 2915, 3445, 3575, 3971, 4693, 5035, 5225, 6175, 7579, 9025, 11077, 13091, 13585, 14575, 17225, 19133, 19855, 23465, 25175, 37895, 51623, 55385, 65455, 67925, 95665, 99275, 117325, 144001, 189475, 210463, 248729, 258115, 276925, 327275, 478325, 720005, 1052315, 1243645, 1290575, 2736019, 3600025, 5261575, 6218225, 13680095, 68400475]

約数ペア:

[(1, 68400475), (5, 13680095), (11, 6218225), (13, 5261575), (19, 3600025), (25, 2736019), (53, 1290575), (55, 1243645), (65, 1052315), (95, 720005), (143, 478325), (209, 327275), (247, 276925), (265, 258115), (275, 248729), (325, 210463), (361, 189475), (475, 144001), (583, 117325), (689, 99275), (715, 95665), (1007, 67925), (1045, 65455), (1235, 55385), (1325, 51623), (1805, 37895), (2717, 25175), (2915, 23465), (3445, 19855), (3575, 19133), (3971, 17225), (4693, 14575), (5035, 13585), (5225, 13091), (6175, 11077), (7579, 9025)]