128539810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{30103}}^1$

素因数の和:30178

約数の個数: 32

約数和(自身を含む): 268768512

約数和(自身を除く): 140228702

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 30103, 60206, 150515, 210721, 301030, 421442, 1053605, 1836283, 2107210, 3672566, 9181415, 12853981, 18362830, 25707962, 64269905, 128539810]

約数ペア:

[(1, 128539810), (2, 64269905), (5, 25707962), (7, 18362830), (10, 12853981), (14, 9181415), (35, 3672566), (61, 2107210), (70, 1836283), (122, 1053605), (305, 421442), (427, 301030), (610, 210721), (854, 150515), (2135, 60206), (4270, 30103)]