64900780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4253}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 157227840

約数和(自身を除く): 92327060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4253, 7630, 8506, 15260, 17012, 21265, 29771, 42530, 59542, 85060, 119084, 148855, 297710, 463577, 595420, 927154, 1854308, 2317885, 3245039, 4635770, 6490078, 9271540, 12980156, 16225195, 32450390, 64900780]

約数ペア:

[(1, 64900780), (2, 32450390), (4, 16225195), (5, 12980156), (7, 9271540), (10, 6490078), (14, 4635770), (20, 3245039), (28, 2317885), (35, 1854308), (70, 927154), (109, 595420), (140, 463577), (218, 297710), (436, 148855), (545, 119084), (763, 85060), (1090, 59542), (1526, 42530), (2180, 29771), (3052, 21265), (3815, 17012), (4253, 15260), (7630, 8506)]