169772820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{404221}}^1$

素因数の和:404240

約数の個数: 48

約数和(自身を含む): 543274368

約数和(自身を除く): 373501548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 404221, 808442, 1212663, 1616884, 2021105, 2425326, 2829547, 4042210, 4850652, 5659094, 6063315, 8084420, 8488641, 11318188, 12126630, 14147735, 16977282, 24253260, 28295470, 33954564, 42443205, 56590940, 84886410, 169772820]

約数ペア:

[(1, 169772820), (2, 84886410), (3, 56590940), (4, 42443205), (5, 33954564), (6, 28295470), (7, 24253260), (10, 16977282), (12, 14147735), (14, 12126630), (15, 11318188), (20, 8488641), (21, 8084420), (28, 6063315), (30, 5659094), (35, 4850652), (42, 4042210), (60, 2829547), (70, 2425326), (84, 2021105), (105, 1616884), (140, 1212663), (210, 808442), (420, 404221)]