645446125

素因数分解:

$5^3\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 865440576

約数和(自身を除く): 219994451

約数列:

[1, 5, 23, 25, 43, 115, 125, 215, 227, 529, 575, 989, 1075, 1135, 2645, 2875, 4945, 5221, 5375, 5675, 9761, 13225, 22747, 24725, 26105, 28375, 48805, 66125, 113735, 120083, 123625, 130525, 224503, 244025, 568675, 600415, 652625, 1122515, 1220125, 2843375, 3002075, 5163569, 5612575, 15010375, 25817845, 28062875, 129089225, 645446125]

約数ペア:

[(1, 645446125), (5, 129089225), (23, 28062875), (25, 25817845), (43, 15010375), (115, 5612575), (125, 5163569), (215, 3002075), (227, 2843375), (529, 1220125), (575, 1122515), (989, 652625), (1075, 600415), (1135, 568675), (2645, 244025), (2875, 224503), (4945, 130525), (5221, 123625), (5375, 120083), (5675, 113735), (9761, 66125), (13225, 48805), (22747, 28375), (24725, 26105)]