68856400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2276

約数の個数: 60

約数和(自身を含む): 167598400

約数和(自身を除く): 98742000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 2179, 3160, 3950, 4358, 6320, 7900, 8716, 10895, 15800, 17432, 21790, 31600, 34864, 43580, 54475, 87160, 108950, 172141, 174320, 217900, 344282, 435800, 688564, 860705, 871600, 1377128, 1721410, 2754256, 3442820, 4303525, 6885640, 8607050, 13771280, 17214100, 34428200, 68856400]

約数ペア:

[(1, 68856400), (2, 34428200), (4, 17214100), (5, 13771280), (8, 8607050), (10, 6885640), (16, 4303525), (20, 3442820), (25, 2754256), (40, 1721410), (50, 1377128), (79, 871600), (80, 860705), (100, 688564), (158, 435800), (200, 344282), (316, 217900), (395, 174320), (400, 172141), (632, 108950), (790, 87160), (1264, 54475), (1580, 43580), (1975, 34864), (2179, 31600), (3160, 21790), (3950, 17432), (4358, 15800), (6320, 10895), (7900, 8716)]