2101911980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{28817}}^1$

素因数の和:29354

約数の個数: 48

約数和(自身を含む): 5054446656

約数和(自身を除く): 2952534676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 2084, 2605, 3647, 5210, 7294, 10420, 14588, 18235, 28817, 36470, 57634, 72940, 115268, 144085, 201719, 288170, 403438, 576340, 806876, 1008595, 2017190, 4034380, 15013657, 30027314, 60054628, 75068285, 105095599, 150136570, 210191198, 300273140, 420382396, 525477995, 1050955990, 2101911980]

約数ペア:

[(1, 2101911980), (2, 1050955990), (4, 525477995), (5, 420382396), (7, 300273140), (10, 210191198), (14, 150136570), (20, 105095599), (28, 75068285), (35, 60054628), (70, 30027314), (140, 15013657), (521, 4034380), (1042, 2017190), (2084, 1008595), (2605, 806876), (3647, 576340), (5210, 403438), (7294, 288170), (10420, 201719), (14588, 144085), (18235, 115268), (28817, 72940), (36470, 57634)]