129940580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{84377}}^1$

素因数の和:84404

約数の個数: 48

約数和(自身を含む): 340212096

約数和(自身を除く): 210271516

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, 84377, 168754, 337508, 421885, 590639, 843770, 928147, 1181278, 1687540, 1856294, 2362556, 2953195, 3712588, 4640735, 5906390, 6497029, 9281470, 11812780, 12994058, 18562940, 25988116, 32485145, 64970290, 129940580]

約数ペア:

[(1, 129940580), (2, 64970290), (4, 32485145), (5, 25988116), (7, 18562940), (10, 12994058), (11, 11812780), (14, 9281470), (20, 6497029), (22, 5906390), (28, 4640735), (35, 3712588), (44, 2953195), (55, 2362556), (70, 1856294), (77, 1687540), (110, 1181278), (140, 928147), (154, 843770), (220, 590639), (308, 421885), (385, 337508), (770, 168754), (1540, 84377)]