836317400

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{21013}}^1$

素因数の和:21228

約数の個数: 48

約数和(自身を含む): 1954302000

約数和(自身を除く): 1117984600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 796, 995, 1592, 1990, 3980, 4975, 7960, 9950, 19900, 21013, 39800, 42026, 84052, 105065, 168104, 210130, 420260, 525325, 840520, 1050650, 2101300, 4181587, 4202600, 8363174, 16726348, 20907935, 33452696, 41815870, 83631740, 104539675, 167263480, 209079350, 418158700, 836317400]

約数ペア:

[(1, 836317400), (2, 418158700), (4, 209079350), (5, 167263480), (8, 104539675), (10, 83631740), (20, 41815870), (25, 33452696), (40, 20907935), (50, 16726348), (100, 8363174), (199, 4202600), (200, 4181587), (398, 2101300), (796, 1050650), (995, 840520), (1592, 525325), (1990, 420260), (3980, 210130), (4975, 168104), (7960, 105065), (9950, 84052), (19900, 42026), (21013, 39800)]