7810225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 36

約数和(自身を含む): 10963584

約数和(自身を除く): 3153359

約数列:

[1, 5, 17, 23, 25, 47, 85, 115, 235, 289, 391, 425, 575, 799, 1081, 1175, 1445, 1955, 3995, 5405, 6647, 7225, 9775, 13583, 18377, 19975, 27025, 33235, 67915, 91885, 166175, 312409, 339575, 459425, 1562045, 7810225]

約数ペア:

[(1, 7810225), (5, 1562045), (17, 459425), (23, 339575), (25, 312409), (47, 166175), (85, 91885), (115, 67915), (235, 33235), (289, 27025), (391, 19975), (425, 18377), (575, 13583), (799, 9775), (1081, 7225), (1175, 6647), (1445, 5405), (1955, 3995)]