2708140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 6031872

約数和(自身を除く): 3323732

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 67, 86, 94, 134, 172, 188, 215, 235, 268, 335, 430, 470, 670, 860, 940, 1340, 2021, 2881, 3149, 4042, 5762, 6298, 8084, 10105, 11524, 12596, 14405, 15745, 20210, 28810, 31490, 40420, 57620, 62980, 135407, 270814, 541628, 677035, 1354070, 2708140]

約数ペア:

[(1, 2708140), (2, 1354070), (4, 677035), (5, 541628), (10, 270814), (20, 135407), (43, 62980), (47, 57620), (67, 40420), (86, 31490), (94, 28810), (134, 20210), (172, 15745), (188, 14405), (215, 12596), (235, 11524), (268, 10105), (335, 8084), (430, 6298), (470, 5762), (670, 4042), (860, 3149), (940, 2881), (1340, 2021)]