2679380

素因数分解:

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

素因数の和:680

約数の個数: 48

約数和(自身を含む): 6471360

約数和(自身を除く): 3791980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 641, 836, 1045, 1282, 2090, 2564, 3205, 4180, 6410, 7051, 12179, 12820, 14102, 24358, 28204, 35255, 48716, 60895, 70510, 121790, 133969, 141020, 243580, 267938, 535876, 669845, 1339690, 2679380]

約数ペア:

[(1, 2679380), (2, 1339690), (4, 669845), (5, 535876), (10, 267938), (11, 243580), (19, 141020), (20, 133969), (22, 121790), (38, 70510), (44, 60895), (55, 48716), (76, 35255), (95, 28204), (110, 24358), (190, 14102), (209, 12820), (220, 12179), (380, 7051), (418, 6410), (641, 4180), (836, 3205), (1045, 2564), (1282, 2090)]