256445090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{122701}}^1$

素因数の和:122738

約数の個数: 32

約数和(自身を含む): 530072640

約数和(自身を除く): 273627550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 122701, 245402, 613505, 1227010, 1349711, 2331319, 2699422, 4662638, 6748555, 11656595, 13497110, 23313190, 25644509, 51289018, 128222545, 256445090]

約数ペア:

[(1, 256445090), (2, 128222545), (5, 51289018), (10, 25644509), (11, 23313190), (19, 13497110), (22, 11656595), (38, 6748555), (55, 4662638), (95, 2699422), (110, 2331319), (190, 1349711), (209, 1227010), (418, 613505), (1045, 245402), (2090, 122701)]