74427780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177209}}^1$

素因数の和:177228

約数の個数: 48

約数和(自身を含む): 238170240

約数和(自身を除く): 163742460

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, 177209, 354418, 531627, 708836, 886045, 1063254, 1240463, 1772090, 2126508, 2480926, 2658135, 3544180, 3721389, 4961852, 5316270, 6202315, 7442778, 10632540, 12404630, 14885556, 18606945, 24809260, 37213890, 74427780]

約数ペア:

[(1, 74427780), (2, 37213890), (3, 24809260), (4, 18606945), (5, 14885556), (6, 12404630), (7, 10632540), (10, 7442778), (12, 6202315), (14, 5316270), (15, 4961852), (20, 3721389), (21, 3544180), (28, 2658135), (30, 2480926), (35, 2126508), (42, 1772090), (60, 1240463), (70, 1063254), (84, 886045), (105, 708836), (140, 531627), (210, 354418), (420, 177209)]