294321640

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5647}}^1$

素因数の和:6961

約数の個数: 32

約数和(自身を含む): 662849280

約数和(自身を除く): 368527640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 5647, 6515, 10424, 11294, 13030, 22588, 26060, 28235, 45176, 52120, 56470, 112940, 225880, 7358041, 14716082, 29432164, 36790205, 58864328, 73580410, 147160820, 294321640]

約数ペア:

[(1, 294321640), (2, 147160820), (4, 73580410), (5, 58864328), (8, 36790205), (10, 29432164), (20, 14716082), (40, 7358041), (1303, 225880), (2606, 112940), (5212, 56470), (5647, 52120), (6515, 45176), (10424, 28235), (11294, 26060), (13030, 22588)]