206576020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2957}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 496944000

約数和(自身を除く): 290367980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 2957, 3493, 4990, 5914, 6986, 9980, 11828, 13972, 14785, 17465, 20699, 29570, 34930, 41398, 59140, 69860, 82796, 103495, 206990, 413980, 1475543, 2951086, 5902172, 7377715, 10328801, 14755430, 20657602, 29510860, 41315204, 51644005, 103288010, 206576020]

約数ペア:

[(1, 206576020), (2, 103288010), (4, 51644005), (5, 41315204), (7, 29510860), (10, 20657602), (14, 14755430), (20, 10328801), (28, 7377715), (35, 5902172), (70, 2951086), (140, 1475543), (499, 413980), (998, 206990), (1996, 103495), (2495, 82796), (2957, 69860), (3493, 59140), (4990, 41398), (5914, 34930), (6986, 29570), (9980, 20699), (11828, 17465), (13972, 14785)]