488778890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{448421}}^1$

素因数の和:448537

約数の個数: 16

約数和(自身を含む): 887875560

約数和(自身を除く): 399096670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 448421, 896842, 2242105, 4484210, 48877889, 97755778, 244389445, 488778890]

約数ペア:

[(1, 488778890), (2, 244389445), (5, 97755778), (10, 48877889), (109, 4484210), (218, 2242105), (545, 896842), (1090, 448421)]