68902540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2207}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 166182912

約数和(自身を除く): 97280372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2207, 2230, 3122, 4414, 4460, 6244, 7805, 8828, 11035, 15449, 15610, 22070, 30898, 31220, 44140, 61796, 77245, 154490, 308980, 492161, 984322, 1968644, 2460805, 3445127, 4921610, 6890254, 9843220, 13780508, 17225635, 34451270, 68902540]

約数ペア:

[(1, 68902540), (2, 34451270), (4, 17225635), (5, 13780508), (7, 9843220), (10, 6890254), (14, 4921610), (20, 3445127), (28, 2460805), (35, 1968644), (70, 984322), (140, 492161), (223, 308980), (446, 154490), (892, 77245), (1115, 61796), (1561, 44140), (2207, 31220), (2230, 30898), (3122, 22070), (4414, 15610), (4460, 15449), (6244, 11035), (7805, 8828)]