22172780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1453}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 53739840

約数和(自身を除く): 31567060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1453, 1526, 2180, 2906, 3052, 3815, 5812, 7265, 7630, 10171, 14530, 15260, 20342, 29060, 40684, 50855, 101710, 158377, 203420, 316754, 633508, 791885, 1108639, 1583770, 2217278, 3167540, 4434556, 5543195, 11086390, 22172780]

約数ペア:

[(1, 22172780), (2, 11086390), (4, 5543195), (5, 4434556), (7, 3167540), (10, 2217278), (14, 1583770), (20, 1108639), (28, 791885), (35, 633508), (70, 316754), (109, 203420), (140, 158377), (218, 101710), (436, 50855), (545, 40684), (763, 29060), (1090, 20342), (1453, 15260), (1526, 14530), (2180, 10171), (2906, 7630), (3052, 7265), (3815, 5812)]