488678060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{25747}}^1$

素因数の和:25842

約数の個数: 48

約数和(自身を含む): 1120346976

約数和(自身を除く): 631668916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 25747, 51494, 102988, 128735, 257470, 334711, 514940, 669422, 1338844, 1673555, 1879531, 3347110, 3759062, 6694220, 7518124, 9397655, 18795310, 24433903, 37590620, 48867806, 97735612, 122169515, 244339030, 488678060]

約数ペア:

[(1, 488678060), (2, 244339030), (4, 122169515), (5, 97735612), (10, 48867806), (13, 37590620), (20, 24433903), (26, 18795310), (52, 9397655), (65, 7518124), (73, 6694220), (130, 3759062), (146, 3347110), (260, 1879531), (292, 1673555), (365, 1338844), (730, 669422), (949, 514940), (1460, 334711), (1898, 257470), (3796, 128735), (4745, 102988), (9490, 51494), (18980, 25747)]