290467725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1979}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 510681600

約数和(自身を除く): 220213875

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 285, 309, 475, 515, 1425, 1545, 1957, 1979, 2575, 5871, 5937, 7725, 9785, 9895, 29355, 29685, 37601, 48925, 49475, 112803, 146775, 148425, 188005, 203837, 564015, 611511, 940025, 1019185, 2820075, 3057555, 3872903, 5095925, 11618709, 15287775, 19364515, 58093545, 96822575, 290467725]

約数ペア:

[(1, 290467725), (3, 96822575), (5, 58093545), (15, 19364515), (19, 15287775), (25, 11618709), (57, 5095925), (75, 3872903), (95, 3057555), (103, 2820075), (285, 1019185), (309, 940025), (475, 611511), (515, 564015), (1425, 203837), (1545, 188005), (1957, 148425), (1979, 146775), (2575, 112803), (5871, 49475), (5937, 48925), (7725, 37601), (9785, 29685), (9895, 29355)]