245220500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{10009}}^1$

素因数の和:10042

約数の個数: 72

約数和(自身を含む): 623062440

約数和(自身を除く): 377841940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 10009, 12250, 20018, 24500, 40036, 50045, 70063, 100090, 140126, 200180, 250225, 280252, 350315, 490441, 500450, 700630, 980882, 1000900, 1251125, 1401260, 1751575, 1961764, 2452205, 2502250, 3503150, 4904410, 5004500, 7006300, 8757875, 9808820, 12261025, 17515750, 24522050, 35031500, 49044100, 61305125, 122610250, 245220500]

約数ペア:

[(1, 245220500), (2, 122610250), (4, 61305125), (5, 49044100), (7, 35031500), (10, 24522050), (14, 17515750), (20, 12261025), (25, 9808820), (28, 8757875), (35, 7006300), (49, 5004500), (50, 4904410), (70, 3503150), (98, 2502250), (100, 2452205), (125, 1961764), (140, 1751575), (175, 1401260), (196, 1251125), (245, 1000900), (250, 980882), (350, 700630), (490, 500450), (500, 490441), (700, 350315), (875, 280252), (980, 250225), (1225, 200180), (1750, 140126), (2450, 100090), (3500, 70063), (4900, 50045), (6125, 40036), (10009, 24500), (12250, 20018)]