1108940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^2$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 2691696

約数和(自身を除く): 1582756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 7921, 12460, 15842, 31684, 39605, 55447, 79210, 110894, 158420, 221788, 277235, 554470, 1108940]

約数ペア:

[(1, 1108940), (2, 554470), (4, 277235), (5, 221788), (7, 158420), (10, 110894), (14, 79210), (20, 55447), (28, 39605), (35, 31684), (70, 15842), (89, 12460), (140, 7921), (178, 6230), (356, 3115), (445, 2492), (623, 1780), (890, 1246)]