77739620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9103}}^1$

素因数の和:9180

約数の個数: 48

約数和(自身を含む): 189654528

約数和(自身を除く): 111914908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9103, 18206, 36412, 45515, 63721, 91030, 127442, 182060, 254884, 318605, 555283, 637210, 1110566, 1274420, 2221132, 2776415, 3886981, 5552830, 7773962, 11105660, 15547924, 19434905, 38869810, 77739620]

約数ペア:

[(1, 77739620), (2, 38869810), (4, 19434905), (5, 15547924), (7, 11105660), (10, 7773962), (14, 5552830), (20, 3886981), (28, 2776415), (35, 2221132), (61, 1274420), (70, 1110566), (122, 637210), (140, 555283), (244, 318605), (305, 254884), (427, 182060), (610, 127442), (854, 91030), (1220, 63721), (1708, 45515), (2135, 36412), (4270, 18206), (8540, 9103)]