187531420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23981}}^1$

素因数の和:24030

約数の個数: 48

約数和(自身を含む): 435129408

約数和(自身を除く): 247597988

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 23981, 47962, 95924, 119905, 239810, 407677, 479620, 551563, 815354, 1103126, 1630708, 2038385, 2206252, 2757815, 4076770, 5515630, 8153540, 9376571, 11031260, 18753142, 37506284, 46882855, 93765710, 187531420]

約数ペア:

[(1, 187531420), (2, 93765710), (4, 46882855), (5, 37506284), (10, 18753142), (17, 11031260), (20, 9376571), (23, 8153540), (34, 5515630), (46, 4076770), (68, 2757815), (85, 2206252), (92, 2038385), (115, 1630708), (170, 1103126), (230, 815354), (340, 551563), (391, 479620), (460, 407677), (782, 239810), (1564, 119905), (1955, 95924), (3910, 47962), (7820, 23981)]