1020142990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{19913}}^1$

素因数の和:20076

約数の個数: 32

約数和(自身を含む): 1892626560

約数和(自身を除く): 872483570

約数列:

[1, 2, 5, 10, 47, 94, 109, 218, 235, 470, 545, 1090, 5123, 10246, 19913, 25615, 39826, 51230, 99565, 199130, 935911, 1871822, 2170517, 4341034, 4679555, 9359110, 10852585, 21705170, 102014299, 204028598, 510071495, 1020142990]

約数ペア:

[(1, 1020142990), (2, 510071495), (5, 204028598), (10, 102014299), (47, 21705170), (94, 10852585), (109, 9359110), (218, 4679555), (235, 4341034), (470, 2170517), (545, 1871822), (1090, 935911), (5123, 199130), (10246, 99565), (19913, 51230), (25615, 39826)]