28074620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 67952640

約数和(自身を除く): 39878020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1579, 1778, 2540, 3158, 3556, 4445, 6316, 7895, 8890, 11053, 15790, 17780, 22106, 31580, 44212, 55265, 110530, 200533, 221060, 401066, 802132, 1002665, 1403731, 2005330, 2807462, 4010660, 5614924, 7018655, 14037310, 28074620]

約数ペア:

[(1, 28074620), (2, 14037310), (4, 7018655), (5, 5614924), (7, 4010660), (10, 2807462), (14, 2005330), (20, 1403731), (28, 1002665), (35, 802132), (70, 401066), (127, 221060), (140, 200533), (254, 110530), (508, 55265), (635, 44212), (889, 31580), (1270, 22106), (1579, 17780), (1778, 15790), (2540, 11053), (3158, 8890), (3556, 7895), (4445, 6316)]