879620

素因数分解:

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

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2166528

約数和(自身を除く): 1286908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 103, 122, 140, 206, 244, 305, 412, 427, 515, 610, 721, 854, 1030, 1220, 1442, 1708, 2060, 2135, 2884, 3605, 4270, 6283, 7210, 8540, 12566, 14420, 25132, 31415, 43981, 62830, 87962, 125660, 175924, 219905, 439810, 879620]

約数ペア:

[(1, 879620), (2, 439810), (4, 219905), (5, 175924), (7, 125660), (10, 87962), (14, 62830), (20, 43981), (28, 31415), (35, 25132), (61, 14420), (70, 12566), (103, 8540), (122, 7210), (140, 6283), (206, 4270), (244, 3605), (305, 2884), (412, 2135), (427, 2060), (515, 1708), (610, 1442), (721, 1220), (854, 1030)]