3985660

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 9881928

約数和(自身を除く): 5896268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 343, 415, 490, 581, 686, 830, 980, 1162, 1372, 1660, 1715, 2324, 2401, 2905, 3430, 4067, 4802, 5810, 6860, 8134, 9604, 11620, 12005, 16268, 20335, 24010, 28469, 40670, 48020, 56938, 81340, 113876, 142345, 199283, 284690, 398566, 569380, 797132, 996415, 1992830, 3985660]

約数ペア:

[(1, 3985660), (2, 1992830), (4, 996415), (5, 797132), (7, 569380), (10, 398566), (14, 284690), (20, 199283), (28, 142345), (35, 113876), (49, 81340), (70, 56938), (83, 48020), (98, 40670), (140, 28469), (166, 24010), (196, 20335), (245, 16268), (332, 12005), (343, 11620), (415, 9604), (490, 8134), (581, 6860), (686, 5810), (830, 4802), (980, 4067), (1162, 3430), (1372, 2905), (1660, 2401), (1715, 2324)]