77802620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1451}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 187342848

約数和(自身を除く): 109540228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1451, 1532, 1915, 2681, 2902, 3830, 5362, 5804, 7255, 7660, 10157, 10724, 13405, 14510, 20314, 26810, 29020, 40628, 50785, 53620, 101570, 203140, 555733, 1111466, 2222932, 2778665, 3890131, 5557330, 7780262, 11114660, 15560524, 19450655, 38901310, 77802620]

約数ペア:

[(1, 77802620), (2, 38901310), (4, 19450655), (5, 15560524), (7, 11114660), (10, 7780262), (14, 5557330), (20, 3890131), (28, 2778665), (35, 2222932), (70, 1111466), (140, 555733), (383, 203140), (766, 101570), (1451, 53620), (1532, 50785), (1915, 40628), (2681, 29020), (2902, 26810), (3830, 20314), (5362, 14510), (5804, 13405), (7255, 10724), (7660, 10157)]