51623740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 124314624

約数和(自身を除く): 72690884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 751, 982, 1502, 1964, 2455, 3004, 3437, 3755, 4910, 5257, 6874, 7510, 9820, 10514, 13748, 15020, 17185, 21028, 26285, 34370, 52570, 68740, 105140, 368741, 737482, 1474964, 1843705, 2581187, 3687410, 5162374, 7374820, 10324748, 12905935, 25811870, 51623740]

約数ペア:

[(1, 51623740), (2, 25811870), (4, 12905935), (5, 10324748), (7, 7374820), (10, 5162374), (14, 3687410), (20, 2581187), (28, 1843705), (35, 1474964), (70, 737482), (140, 368741), (491, 105140), (751, 68740), (982, 52570), (1502, 34370), (1964, 26285), (2455, 21028), (3004, 17185), (3437, 15020), (3755, 13748), (4910, 10514), (5257, 9820), (6874, 7510)]