202149080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721961}}^1$

素因数の和:721979

約数の個数: 32

約数和(自身を含む): 519812640

約数和(自身を除く): 317663560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721961, 1443922, 2887844, 3609805, 5053727, 5775688, 7219610, 10107454, 14439220, 20214908, 25268635, 28878440, 40429816, 50537270, 101074540, 202149080]

約数ペア:

[(1, 202149080), (2, 101074540), (4, 50537270), (5, 40429816), (7, 28878440), (8, 25268635), (10, 20214908), (14, 14439220), (20, 10107454), (28, 7219610), (35, 5775688), (40, 5053727), (56, 3609805), (70, 2887844), (140, 1443922), (280, 721961)]