393740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198859}}^1$

素因数の和:198885

約数の個数: 72

約数和(自身を含む): 1302930720

約数和(自身を除く): 909189900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 198859, 397718, 596577, 795436, 994295, 1193154, 1789731, 1988590, 2187449, 2386308, 2982885, 3579462, 3977180, 4374898, 5965770, 6562347, 7158924, 8749796, 8948655, 10937245, 11931540, 13124694, 17897310, 19687041, 21874490, 26249388, 32811735, 35794620, 39374082, 43748980, 65623470, 78748164, 98435205, 131246940, 196870410, 393740820]

約数ペア:

[(1, 393740820), (2, 196870410), (3, 131246940), (4, 98435205), (5, 78748164), (6, 65623470), (9, 43748980), (10, 39374082), (11, 35794620), (12, 32811735), (15, 26249388), (18, 21874490), (20, 19687041), (22, 17897310), (30, 13124694), (33, 11931540), (36, 10937245), (44, 8948655), (45, 8749796), (55, 7158924), (60, 6562347), (66, 5965770), (90, 4374898), (99, 3977180), (110, 3579462), (132, 2982885), (165, 2386308), (180, 2187449), (198, 1988590), (220, 1789731), (330, 1193154), (396, 994295), (495, 795436), (660, 596577), (990, 397718), (1980, 198859)]