1339690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 2773440

約数和(自身を除く): 1433750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 641, 1045, 1282, 2090, 3205, 6410, 7051, 12179, 14102, 24358, 35255, 60895, 70510, 121790, 133969, 267938, 669845, 1339690]

約数ペア:

[(1, 1339690), (2, 669845), (5, 267938), (10, 133969), (11, 121790), (19, 70510), (22, 60895), (38, 35255), (55, 24358), (95, 14102), (110, 12179), (190, 7051), (209, 6410), (418, 3205), (641, 2090), (1045, 1282)]