172322780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{64783}}^1$

素因数の和:64818

約数の個数: 48

約数和(自身を含む): 435348480

約数和(自身を除く): 263025700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 64783, 129566, 259132, 323915, 453481, 647830, 906962, 1230877, 1295660, 1813924, 2267405, 2461754, 4534810, 4923508, 6154385, 8616139, 9069620, 12308770, 17232278, 24617540, 34464556, 43080695, 86161390, 172322780]

約数ペア:

[(1, 172322780), (2, 86161390), (4, 43080695), (5, 34464556), (7, 24617540), (10, 17232278), (14, 12308770), (19, 9069620), (20, 8616139), (28, 6154385), (35, 4923508), (38, 4534810), (70, 2461754), (76, 2267405), (95, 1813924), (133, 1295660), (140, 1230877), (190, 906962), (266, 647830), (380, 453481), (532, 323915), (665, 259132), (1330, 129566), (2660, 64783)]