52815140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7699}}^1$

素因数の和:7729

約数の個数: 48

約数和(自身を含む): 129360000

約数和(自身を除く): 76544860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7699, 15398, 30796, 38495, 53893, 76990, 107786, 153980, 215572, 269465, 377251, 538930, 754502, 1077860, 1509004, 1886255, 2640757, 3772510, 5281514, 7545020, 10563028, 13203785, 26407570, 52815140]

約数ペア:

[(1, 52815140), (2, 26407570), (4, 13203785), (5, 10563028), (7, 7545020), (10, 5281514), (14, 3772510), (20, 2640757), (28, 1886255), (35, 1509004), (49, 1077860), (70, 754502), (98, 538930), (140, 377251), (196, 269465), (245, 215572), (343, 153980), (490, 107786), (686, 76990), (980, 53893), (1372, 38495), (1715, 30796), (3430, 15398), (6860, 7699)]