490258580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{205991}}^1$

素因数の和:206024

約数の個数: 48

約数和(自身を含む): 1245839616

約数和(自身を除く): 755581036

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 205991, 411982, 823964, 1029955, 1441937, 2059910, 2883874, 3501847, 4119820, 5767748, 7003694, 7209685, 14007388, 14419370, 17509235, 24512929, 28838740, 35018470, 49025858, 70036940, 98051716, 122564645, 245129290, 490258580]

約数ペア:

[(1, 490258580), (2, 245129290), (4, 122564645), (5, 98051716), (7, 70036940), (10, 49025858), (14, 35018470), (17, 28838740), (20, 24512929), (28, 17509235), (34, 14419370), (35, 14007388), (68, 7209685), (70, 7003694), (85, 5767748), (119, 4119820), (140, 3501847), (170, 2883874), (238, 2059910), (340, 1441937), (476, 1029955), (595, 823964), (1190, 411982), (2380, 205991)]