2099690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 4086720

約数和(自身を除く): 1987030

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 257, 430, 514, 817, 1285, 1634, 2570, 4085, 4883, 8170, 9766, 11051, 22102, 24415, 48830, 55255, 110510, 209969, 419938, 1049845, 2099690]

約数ペア:

[(1, 2099690), (2, 1049845), (5, 419938), (10, 209969), (19, 110510), (38, 55255), (43, 48830), (86, 24415), (95, 22102), (190, 11051), (215, 9766), (257, 8170), (430, 4883), (514, 4085), (817, 2570), (1285, 1634)]