140734860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47869}}^1$

素因数の和:47895

約数の個数: 72

約数和(自身を含む): 458403120

約数和(自身を除く): 317668260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47869, 95738, 143607, 191476, 239345, 287214, 335083, 478690, 574428, 670166, 718035, 957380, 1005249, 1340332, 1436070, 1675415, 2010498, 2345581, 2872140, 3350830, 4020996, 4691162, 5026245, 6701660, 7036743, 9382324, 10052490, 11727905, 14073486, 20104980, 23455810, 28146972, 35183715, 46911620, 70367430, 140734860]

約数ペア:

[(1, 140734860), (2, 70367430), (3, 46911620), (4, 35183715), (5, 28146972), (6, 23455810), (7, 20104980), (10, 14073486), (12, 11727905), (14, 10052490), (15, 9382324), (20, 7036743), (21, 6701660), (28, 5026245), (30, 4691162), (35, 4020996), (42, 3350830), (49, 2872140), (60, 2345581), (70, 2010498), (84, 1675415), (98, 1436070), (105, 1340332), (140, 1005249), (147, 957380), (196, 718035), (210, 670166), (245, 574428), (294, 478690), (420, 335083), (490, 287214), (588, 239345), (735, 191476), (980, 143607), (1470, 95738), (2940, 47869)]