280008434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3391}}^1$

素因数の和:3506

約数の個数: 32

約数和(自身を含む): 461583360

約数和(自身を除く): 181574926

約数列:

[1, 2, 19, 38, 41, 53, 82, 106, 779, 1007, 1558, 2014, 2173, 3391, 4346, 6782, 41287, 64429, 82574, 128858, 139031, 179723, 278062, 359446, 2641589, 3414737, 5283178, 6829474, 7368643, 14737286, 140004217, 280008434]

約数ペア:

[(1, 280008434), (2, 140004217), (19, 14737286), (38, 7368643), (41, 6829474), (53, 5283178), (82, 3414737), (106, 2641589), (779, 359446), (1007, 278062), (1558, 179723), (2014, 139031), (2173, 128858), (3391, 82574), (4346, 64429), (6782, 41287)]