121569140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78941}}^1$

素因数の和:78968

約数の個数: 48

約数和(自身を含む): 318294144

約数和(自身を除く): 196725004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 78941, 157882, 315764, 394705, 552587, 789410, 868351, 1105174, 1578820, 1736702, 2210348, 2762935, 3473404, 4341755, 5525870, 6078457, 8683510, 11051740, 12156914, 17367020, 24313828, 30392285, 60784570, 121569140]

約数ペア:

[(1, 121569140), (2, 60784570), (4, 30392285), (5, 24313828), (7, 17367020), (10, 12156914), (11, 11051740), (14, 8683510), (20, 6078457), (22, 5525870), (28, 4341755), (35, 3473404), (44, 2762935), (55, 2210348), (70, 1736702), (77, 1578820), (110, 1105174), (140, 868351), (154, 789410), (220, 552587), (308, 394705), (385, 315764), (770, 157882), (1540, 78941)]