290002725

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{7121}}^1$

素因数の和:7318

約数の個数: 36

約数和(自身を含む): 522370212

約数和(自身を除く): 232367487

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 905, 1629, 2715, 4525, 7121, 8145, 13575, 21363, 35605, 40725, 64089, 106815, 178025, 320445, 534075, 1288901, 1602225, 3866703, 6444505, 11600109, 19333515, 32222525, 58000545, 96667575, 290002725]

約数ペア:

[(1, 290002725), (3, 96667575), (5, 58000545), (9, 32222525), (15, 19333515), (25, 11600109), (45, 6444505), (75, 3866703), (181, 1602225), (225, 1288901), (543, 534075), (905, 320445), (1629, 178025), (2715, 106815), (4525, 64089), (7121, 40725), (8145, 35605), (13575, 21363)]