311909380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1747}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 669553920

約数和(自身を除く): 357644540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 565, 790, 1130, 1580, 1747, 2260, 3494, 6988, 8735, 8927, 17470, 17854, 34940, 35708, 44635, 89270, 138013, 178540, 197411, 276026, 394822, 552052, 690065, 789644, 987055, 1380130, 1974110, 2760260, 3948220, 15595469, 31190938, 62381876, 77977345, 155954690, 311909380]

約数ペア:

[(1, 311909380), (2, 155954690), (4, 77977345), (5, 62381876), (10, 31190938), (20, 15595469), (79, 3948220), (113, 2760260), (158, 1974110), (226, 1380130), (316, 987055), (395, 789644), (452, 690065), (565, 552052), (790, 394822), (1130, 276026), (1580, 197411), (1747, 178540), (2260, 138013), (3494, 89270), (6988, 44635), (8735, 35708), (8927, 34940), (17470, 17854)]