138077660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5449}}^1$

素因数の和:5646

約数の個数: 48

約数和(自身を含む): 333278400

約数和(自身を除く): 195200740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 5449, 6335, 10898, 12670, 21796, 25340, 27245, 38143, 54490, 76286, 108980, 152572, 190715, 381430, 762860, 986269, 1972538, 3945076, 4931345, 6903883, 9862690, 13807766, 19725380, 27615532, 34519415, 69038830, 138077660]

約数ペア:

[(1, 138077660), (2, 69038830), (4, 34519415), (5, 27615532), (7, 19725380), (10, 13807766), (14, 9862690), (20, 6903883), (28, 4931345), (35, 3945076), (70, 1972538), (140, 986269), (181, 762860), (362, 381430), (724, 190715), (905, 152572), (1267, 108980), (1810, 76286), (2534, 54490), (3620, 38143), (5068, 27245), (5449, 25340), (6335, 21796), (10898, 12670)]