289330820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{850973}}^1$

素因数の和:850999

約数の個数: 24

約数和(自身を含む): 643336344

約数和(自身を除く): 354005524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 850973, 1701946, 3403892, 4254865, 8509730, 14466541, 17019460, 28933082, 57866164, 72332705, 144665410, 289330820]

約数ペア:

[(1, 289330820), (2, 144665410), (4, 72332705), (5, 57866164), (10, 28933082), (17, 17019460), (20, 14466541), (34, 8509730), (68, 4254865), (85, 3403892), (170, 1701946), (340, 850973)]