72348745

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 105850368

約数和(自身を除く): 33501623

約数列:

[1, 5, 7, 35, 47, 49, 61, 103, 235, 245, 305, 329, 427, 515, 721, 1645, 2135, 2303, 2867, 2989, 3605, 4841, 5047, 6283, 11515, 14335, 14945, 20069, 24205, 25235, 31415, 33887, 43981, 100345, 140483, 169435, 219905, 237209, 295301, 307867, 702415, 1186045, 1476505, 1539335, 2067107, 10335535, 14469749, 72348745]

約数ペア:

[(1, 72348745), (5, 14469749), (7, 10335535), (35, 2067107), (47, 1539335), (49, 1476505), (61, 1186045), (103, 702415), (235, 307867), (245, 295301), (305, 237209), (329, 219905), (427, 169435), (515, 140483), (721, 100345), (1645, 43981), (2135, 33887), (2303, 31415), (2867, 25235), (2989, 24205), (3605, 20069), (4841, 14945), (5047, 14335), (6283, 11515)]