73804938920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1\times {\mathrm{18401}}^1$

素因数の和:19118

約数の個数: 64

約数和(自身を含む): 167241056400

約数和(自身を除く): 93436117480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 509, 788, 985, 1018, 1576, 1970, 2036, 2545, 3940, 4072, 5090, 7880, 10180, 18401, 20360, 36802, 73604, 92005, 100273, 147208, 184010, 200546, 368020, 401092, 501365, 736040, 802184, 1002730, 2005460, 3624997, 4010920, 7249994, 9366109, 14499988, 18124985, 18732218, 28999976, 36249970, 37464436, 46830545, 72499940, 74928872, 93661090, 144999880, 187322180, 374644360, 1845123473, 3690246946, 7380493892, 9225617365, 14760987784, 18451234730, 36902469460, 73804938920]

約数ペア:

[(1, 73804938920), (2, 36902469460), (4, 18451234730), (5, 14760987784), (8, 9225617365), (10, 7380493892), (20, 3690246946), (40, 1845123473), (197, 374644360), (394, 187322180), (509, 144999880), (788, 93661090), (985, 74928872), (1018, 72499940), (1576, 46830545), (1970, 37464436), (2036, 36249970), (2545, 28999976), (3940, 18732218), (4072, 18124985), (5090, 14499988), (7880, 9366109), (10180, 7249994), (18401, 4010920), (20360, 3624997), (36802, 2005460), (73604, 1002730), (92005, 802184), (100273, 736040), (147208, 501365), (184010, 401092), (200546, 368020)]