1020740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 2564352

約数和(自身を除く): 1543612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 317, 322, 460, 634, 644, 805, 1268, 1585, 1610, 2219, 3170, 3220, 4438, 6340, 7291, 8876, 11095, 14582, 22190, 29164, 36455, 44380, 51037, 72910, 102074, 145820, 204148, 255185, 510370, 1020740]

約数ペア:

[(1, 1020740), (2, 510370), (4, 255185), (5, 204148), (7, 145820), (10, 102074), (14, 72910), (20, 51037), (23, 44380), (28, 36455), (35, 29164), (46, 22190), (70, 14582), (92, 11095), (115, 8876), (140, 7291), (161, 6340), (230, 4438), (317, 3220), (322, 3170), (460, 2219), (634, 1610), (644, 1585), (805, 1268)]