339925625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 510136704

約数和(自身を除く): 170211079

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 107, 115, 125, 221, 299, 325, 391, 425, 535, 575, 625, 1105, 1391, 1495, 1625, 1819, 1955, 2125, 2461, 2675, 2875, 5083, 5525, 6955, 7475, 8125, 9095, 9775, 10625, 12305, 13375, 14375, 23647, 25415, 27625, 31993, 34775, 37375, 41837, 45475, 48875, 61525, 66875, 118235, 127075, 138125, 159965, 173875, 186875, 209185, 227375, 244375, 307625, 543881, 591175, 635375, 799825, 869375, 1045925, 1136875, 1538125, 2719405, 2955875, 3176875, 3999125, 5229625, 13597025, 14779375, 19995625, 26148125, 67985125, 339925625]

約数ペア:

[(1, 339925625), (5, 67985125), (13, 26148125), (17, 19995625), (23, 14779375), (25, 13597025), (65, 5229625), (85, 3999125), (107, 3176875), (115, 2955875), (125, 2719405), (221, 1538125), (299, 1136875), (325, 1045925), (391, 869375), (425, 799825), (535, 635375), (575, 591175), (625, 543881), (1105, 307625), (1391, 244375), (1495, 227375), (1625, 209185), (1819, 186875), (1955, 173875), (2125, 159965), (2461, 138125), (2675, 127075), (2875, 118235), (5083, 66875), (5525, 61525), (6955, 48875), (7475, 45475), (8125, 41837), (9095, 37375), (9775, 34775), (10625, 31993), (12305, 27625), (13375, 25415), (14375, 23647)]