204498110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2749}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 378972000

約数和(自身を除く): 174473890

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 346, 430, 865, 1730, 2749, 5498, 7439, 13745, 14878, 27490, 37195, 74390, 118207, 236414, 475577, 591035, 951154, 1182070, 2377885, 4755770, 20449811, 40899622, 102249055, 204498110]

約数ペア:

[(1, 204498110), (2, 102249055), (5, 40899622), (10, 20449811), (43, 4755770), (86, 2377885), (173, 1182070), (215, 951154), (346, 591035), (430, 475577), (865, 236414), (1730, 118207), (2749, 74390), (5498, 37195), (7439, 27490), (13745, 14878)]