204030125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 294368256

約数和(自身を除く): 90338131

約数列:

[1, 5, 13, 23, 25, 53, 65, 103, 115, 125, 265, 299, 325, 515, 575, 689, 1219, 1325, 1339, 1495, 1625, 2369, 2575, 2875, 3445, 5459, 6095, 6625, 6695, 7475, 11845, 12875, 15847, 17225, 27295, 30475, 30797, 33475, 37375, 59225, 70967, 79235, 86125, 125557, 136475, 152375, 153985, 167375, 296125, 354835, 396175, 627785, 682375, 769925, 1632241, 1774175, 1980875, 3138925, 3849625, 8161205, 8870875, 15694625, 40806025, 204030125]

約数ペア:

[(1, 204030125), (5, 40806025), (13, 15694625), (23, 8870875), (25, 8161205), (53, 3849625), (65, 3138925), (103, 1980875), (115, 1774175), (125, 1632241), (265, 769925), (299, 682375), (325, 627785), (515, 396175), (575, 354835), (689, 296125), (1219, 167375), (1325, 153985), (1339, 152375), (1495, 136475), (1625, 125557), (2369, 86125), (2575, 79235), (2875, 70967), (3445, 59225), (5459, 37375), (6095, 33475), (6625, 30797), (6695, 30475), (7475, 27295), (11845, 17225), (12875, 15847)]