28350740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4208

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 38709484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4157, 6820, 8314, 16628, 20785, 41570, 45727, 83140, 91454, 128867, 182908, 228635, 257734, 457270, 515468, 644335, 914540, 1288670, 1417537, 2577340, 2835074, 5670148, 7087685, 14175370, 28350740]

約数ペア:

[(1, 28350740), (2, 14175370), (4, 7087685), (5, 5670148), (10, 2835074), (11, 2577340), (20, 1417537), (22, 1288670), (31, 914540), (44, 644335), (55, 515468), (62, 457270), (110, 257734), (124, 228635), (155, 182908), (220, 128867), (310, 91454), (341, 83140), (620, 45727), (682, 41570), (1364, 20785), (1705, 16628), (3410, 8314), (4157, 6820)]