515043980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{5897}}^1$

素因数の和:6314

約数の個数: 48

約数和(自身を含む): 1183091616

約数和(自身を除く): 668047636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 1588, 1985, 3970, 4367, 5897, 7940, 8734, 11794, 17468, 21835, 23588, 29485, 43670, 58970, 64867, 87340, 117940, 129734, 259468, 324335, 648670, 1297340, 2341109, 4682218, 9364436, 11705545, 23411090, 25752199, 46822180, 51504398, 103008796, 128760995, 257521990, 515043980]

約数ペア:

[(1, 515043980), (2, 257521990), (4, 128760995), (5, 103008796), (10, 51504398), (11, 46822180), (20, 25752199), (22, 23411090), (44, 11705545), (55, 9364436), (110, 4682218), (220, 2341109), (397, 1297340), (794, 648670), (1588, 324335), (1985, 259468), (3970, 129734), (4367, 117940), (5897, 87340), (7940, 64867), (8734, 58970), (11794, 43670), (17468, 29485), (21835, 23588)]