11720860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 25893504

約数和(自身を除く): 14172644

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 337, 370, 470, 674, 740, 940, 1348, 1685, 1739, 3370, 3478, 6740, 6956, 8695, 12469, 15839, 17390, 24938, 31678, 34780, 49876, 62345, 63356, 79195, 124690, 158390, 249380, 316780, 586043, 1172086, 2344172, 2930215, 5860430, 11720860]

約数ペア:

[(1, 11720860), (2, 5860430), (4, 2930215), (5, 2344172), (10, 1172086), (20, 586043), (37, 316780), (47, 249380), (74, 158390), (94, 124690), (148, 79195), (185, 63356), (188, 62345), (235, 49876), (337, 34780), (370, 31678), (470, 24938), (674, 17390), (740, 15839), (940, 12469), (1348, 8695), (1685, 6956), (1739, 6740), (3370, 3478)]