28102760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{601}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 72817920

約数和(自身を除く): 44715160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 601, 668, 835, 1169, 1202, 1336, 1670, 2338, 2404, 3005, 3340, 4207, 4676, 4808, 5845, 6010, 6680, 8414, 9352, 11690, 12020, 16828, 21035, 23380, 24040, 33656, 42070, 46760, 84140, 100367, 168280, 200734, 401468, 501835, 702569, 802936, 1003670, 1405138, 2007340, 2810276, 3512845, 4014680, 5620552, 7025690, 14051380, 28102760]

約数ペア:

[(1, 28102760), (2, 14051380), (4, 7025690), (5, 5620552), (7, 4014680), (8, 3512845), (10, 2810276), (14, 2007340), (20, 1405138), (28, 1003670), (35, 802936), (40, 702569), (56, 501835), (70, 401468), (140, 200734), (167, 168280), (280, 100367), (334, 84140), (601, 46760), (668, 42070), (835, 33656), (1169, 24040), (1202, 23380), (1336, 21035), (1670, 16828), (2338, 12020), (2404, 11690), (3005, 9352), (3340, 8414), (4207, 6680), (4676, 6010), (4808, 5845)]