2587424225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 3607704360

約数和(自身を除く): 1020280135

約数列:

[1, 5, 17, 25, 29, 53, 85, 145, 233, 265, 289, 425, 493, 725, 901, 1165, 1325, 1445, 1537, 2465, 3961, 4505, 5825, 6757, 7225, 7685, 8381, 12325, 12349, 15317, 19805, 22525, 26129, 33785, 38425, 41905, 61745, 67337, 76585, 99025, 114869, 130645, 168925, 209525, 209933, 308725, 336685, 358121, 382925, 444193, 574345, 653225, 1049665, 1683425, 1790605, 1952773, 2220965, 2871725, 3568861, 5248325, 6088057, 8953025, 9763865, 11104825, 17844305, 30440285, 48819325, 89221525, 103496969, 152201425, 517484845, 2587424225]

約数ペア:

[(1, 2587424225), (5, 517484845), (17, 152201425), (25, 103496969), (29, 89221525), (53, 48819325), (85, 30440285), (145, 17844305), (233, 11104825), (265, 9763865), (289, 8953025), (425, 6088057), (493, 5248325), (725, 3568861), (901, 2871725), (1165, 2220965), (1325, 1952773), (1445, 1790605), (1537, 1683425), (2465, 1049665), (3961, 653225), (4505, 574345), (5825, 444193), (6757, 382925), (7225, 358121), (7685, 336685), (8381, 308725), (12325, 209933), (12349, 209525), (15317, 168925), (19805, 130645), (22525, 114869), (26129, 99025), (33785, 76585), (38425, 67337), (41905, 61745)]