28395620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 65415168

約数和(自身を除く): 37019548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 383, 674, 766, 1348, 1532, 1685, 1915, 3370, 3707, 3830, 4213, 6740, 7414, 7660, 8426, 14828, 16852, 18535, 21065, 37070, 42130, 74140, 84260, 129071, 258142, 516284, 645355, 1290710, 1419781, 2581420, 2839562, 5679124, 7098905, 14197810, 28395620]

約数ペア:

[(1, 28395620), (2, 14197810), (4, 7098905), (5, 5679124), (10, 2839562), (11, 2581420), (20, 1419781), (22, 1290710), (44, 645355), (55, 516284), (110, 258142), (220, 129071), (337, 84260), (383, 74140), (674, 42130), (766, 37070), (1348, 21065), (1532, 18535), (1685, 16852), (1915, 14828), (3370, 8426), (3707, 7660), (3830, 7414), (4213, 6740)]