8949380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 21591360

約数和(自身を除く): 12641980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2141, 4180, 4282, 8564, 10705, 21410, 23551, 40679, 42820, 47102, 81358, 94204, 117755, 162716, 203395, 235510, 406790, 447469, 471020, 813580, 894938, 1789876, 2237345, 4474690, 8949380]

約数ペア:

[(1, 8949380), (2, 4474690), (4, 2237345), (5, 1789876), (10, 894938), (11, 813580), (19, 471020), (20, 447469), (22, 406790), (38, 235510), (44, 203395), (55, 162716), (76, 117755), (95, 94204), (110, 81358), (190, 47102), (209, 42820), (220, 40679), (380, 23551), (418, 21410), (836, 10705), (1045, 8564), (2090, 4282), (2141, 4180)]