2017651420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{27799}}^1$

素因数の和:28018

約数の個数: 48

約数和(自身を含む): 4483584000

約数和(自身を除く): 2465932580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 14516, 18145, 27799, 36290, 55598, 72580, 111196, 138995, 277990, 528181, 555980, 1056362, 2112724, 2640905, 5281810, 5309609, 10563620, 10619218, 21238436, 26548045, 53096090, 100882571, 106192180, 201765142, 403530284, 504412855, 1008825710, 2017651420]

約数ペア:

[(1, 2017651420), (2, 1008825710), (4, 504412855), (5, 403530284), (10, 201765142), (19, 106192180), (20, 100882571), (38, 53096090), (76, 26548045), (95, 21238436), (190, 10619218), (191, 10563620), (380, 5309609), (382, 5281810), (764, 2640905), (955, 2112724), (1910, 1056362), (3629, 555980), (3820, 528181), (7258, 277990), (14516, 138995), (18145, 111196), (27799, 72580), (36290, 55598)]