813959660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1\times {\mathrm{1759}}^1$

素因数の和:3146

約数の個数: 48

約数和(自身を含む): 1812222720

約数和(自身を除く): 998263060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1361, 1759, 2722, 3518, 5444, 6805, 7036, 8795, 13610, 17590, 23137, 27220, 29903, 35180, 46274, 59806, 92548, 115685, 119612, 149515, 231370, 299030, 462740, 598060, 2393999, 4787998, 9575996, 11969995, 23939990, 40697983, 47879980, 81395966, 162791932, 203489915, 406979830, 813959660]

約数ペア:

[(1, 813959660), (2, 406979830), (4, 203489915), (5, 162791932), (10, 81395966), (17, 47879980), (20, 40697983), (34, 23939990), (68, 11969995), (85, 9575996), (170, 4787998), (340, 2393999), (1361, 598060), (1759, 462740), (2722, 299030), (3518, 231370), (5444, 149515), (6805, 119612), (7036, 115685), (8795, 92548), (13610, 59806), (17590, 46274), (23137, 35180), (27220, 29903)]