2261380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 5463360

約数和(自身を除く): 3201980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 541, 836, 1045, 1082, 2090, 2164, 2705, 4180, 5410, 5951, 10279, 10820, 11902, 20558, 23804, 29755, 41116, 51395, 59510, 102790, 113069, 119020, 205580, 226138, 452276, 565345, 1130690, 2261380]

約数ペア:

[(1, 2261380), (2, 1130690), (4, 565345), (5, 452276), (10, 226138), (11, 205580), (19, 119020), (20, 113069), (22, 102790), (38, 59510), (44, 51395), (55, 41116), (76, 29755), (95, 23804), (110, 20558), (190, 11902), (209, 10820), (220, 10279), (380, 5951), (418, 5410), (541, 4180), (836, 2705), (1045, 2164), (1082, 2090)]