199465660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2179}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 439488000

約数和(自身を除く): 240022340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1990, 2179, 3980, 4358, 4577, 8716, 9154, 10895, 18308, 21790, 22885, 43580, 45770, 50117, 91540, 100234, 200468, 250585, 433621, 501170, 867242, 1002340, 1734484, 2168105, 4336210, 8672420, 9973283, 19946566, 39893132, 49866415, 99732830, 199465660]

約数ペア:

[(1, 199465660), (2, 99732830), (4, 49866415), (5, 39893132), (10, 19946566), (20, 9973283), (23, 8672420), (46, 4336210), (92, 2168105), (115, 1734484), (199, 1002340), (230, 867242), (398, 501170), (460, 433621), (796, 250585), (995, 200468), (1990, 100234), (2179, 91540), (3980, 50117), (4358, 45770), (4577, 43580), (8716, 22885), (9154, 21790), (10895, 18308)]