97912780

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{2039}}^1$

素因数の和:2076

約数の個数: 60

約数和(自身を含む): 239989680

約数和(自身を除く): 142076900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2039, 2401, 3430, 4078, 4802, 6860, 8156, 9604, 10195, 12005, 14273, 20390, 24010, 28546, 40780, 48020, 57092, 71365, 99911, 142730, 199822, 285460, 399644, 499555, 699377, 999110, 1398754, 1998220, 2797508, 3496885, 4895639, 6993770, 9791278, 13987540, 19582556, 24478195, 48956390, 97912780]

約数ペア:

[(1, 97912780), (2, 48956390), (4, 24478195), (5, 19582556), (7, 13987540), (10, 9791278), (14, 6993770), (20, 4895639), (28, 3496885), (35, 2797508), (49, 1998220), (70, 1398754), (98, 999110), (140, 699377), (196, 499555), (245, 399644), (343, 285460), (490, 199822), (686, 142730), (980, 99911), (1372, 71365), (1715, 57092), (2039, 48020), (2401, 40780), (3430, 28546), (4078, 24010), (4802, 20390), (6860, 14273), (8156, 12005), (9604, 10195)]