390763260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2170907}}^1$

素因数の和:2170922

約数の個数: 36

約数和(自身を含む): 1185315768

約数和(自身を除く): 794552508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2170907, 4341814, 6512721, 8683628, 10854535, 13025442, 19538163, 21709070, 26050884, 32563605, 39076326, 43418140, 65127210, 78152652, 97690815, 130254420, 195381630, 390763260]

約数ペア:

[(1, 390763260), (2, 195381630), (3, 130254420), (4, 97690815), (5, 78152652), (6, 65127210), (9, 43418140), (10, 39076326), (12, 32563605), (15, 26050884), (18, 21709070), (20, 19538163), (30, 13025442), (36, 10854535), (45, 8683628), (60, 6512721), (90, 4341814), (180, 2170907)]