3988180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 9749376

約数和(自身を除く): 5761196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 467, 610, 854, 934, 1220, 1708, 1868, 2135, 2335, 3269, 4270, 4670, 6538, 8540, 9340, 13076, 16345, 28487, 32690, 56974, 65380, 113948, 142435, 199409, 284870, 398818, 569740, 797636, 997045, 1994090, 3988180]

約数ペア:

[(1, 3988180), (2, 1994090), (4, 997045), (5, 797636), (7, 569740), (10, 398818), (14, 284870), (20, 199409), (28, 142435), (35, 113948), (61, 65380), (70, 56974), (122, 32690), (140, 28487), (244, 16345), (305, 13076), (427, 9340), (467, 8540), (610, 6538), (854, 4670), (934, 4270), (1220, 3269), (1708, 2335), (1868, 2135)]