219244700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{15773}}^1$

素因数の和:15926

約数の個数: 36

約数和(自身を含む): 479214120

約数和(自身を除く): 259969420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 15773, 31546, 63092, 78865, 157730, 315460, 394325, 788650, 1577300, 2192447, 4384894, 8769788, 10962235, 21924470, 43848940, 54811175, 109622350, 219244700]

約数ペア:

[(1, 219244700), (2, 109622350), (4, 54811175), (5, 43848940), (10, 21924470), (20, 10962235), (25, 8769788), (50, 4384894), (100, 2192447), (139, 1577300), (278, 788650), (556, 394325), (695, 315460), (1390, 157730), (2780, 78865), (3475, 63092), (6950, 31546), (13900, 15773)]