77907620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556483}}^1$

素因数の和:556499

約数の個数: 24

約数和(自身を含む): 186978624

約数和(自身を除く): 109071004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556483, 1112966, 2225932, 2782415, 3895381, 5564830, 7790762, 11129660, 15581524, 19476905, 38953810, 77907620]

約数ペア:

[(1, 77907620), (2, 38953810), (4, 19476905), (5, 15581524), (7, 11129660), (10, 7790762), (14, 5564830), (20, 3895381), (28, 2782415), (35, 2225932), (70, 1112966), (140, 556483)]