904815140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2661221}}^1$

素因数の和:2661247

約数の個数: 24

約数和(自身を含む): 2011883832

約数和(自身を除く): 1107068692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2661221, 5322442, 10644884, 13306105, 26612210, 45240757, 53224420, 90481514, 180963028, 226203785, 452407570, 904815140]

約数ペア:

[(1, 904815140), (2, 452407570), (4, 226203785), (5, 180963028), (10, 90481514), (17, 53224420), (20, 45240757), (34, 26612210), (68, 13306105), (85, 10644884), (170, 5322442), (340, 2661221)]