84394375

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 60

約数和(自身を含む): 123485472

約数和(自身を除く): 39091097

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 125, 169, 221, 235, 325, 425, 611, 625, 799, 845, 1105, 1175, 1625, 2125, 2873, 3055, 3995, 4225, 5525, 5875, 7943, 8125, 10387, 10625, 14365, 15275, 19975, 21125, 27625, 29375, 39715, 51935, 71825, 76375, 99875, 105625, 135031, 138125, 198575, 259675, 359125, 381875, 499375, 675155, 992875, 1298375, 1795625, 3375775, 4964375, 6491875, 16878875, 84394375]

約数ペア:

[(1, 84394375), (5, 16878875), (13, 6491875), (17, 4964375), (25, 3375775), (47, 1795625), (65, 1298375), (85, 992875), (125, 675155), (169, 499375), (221, 381875), (235, 359125), (325, 259675), (425, 198575), (611, 138125), (625, 135031), (799, 105625), (845, 99875), (1105, 76375), (1175, 71825), (1625, 51935), (2125, 39715), (2873, 29375), (3055, 27625), (3995, 21125), (4225, 19975), (5525, 15275), (5875, 14365), (7943, 10625), (8125, 10387)]