202220500

素因数分解:

$2^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{2053}}^1$

素因数の和:2269

約数の個数: 48

約数和(自身を含む): 444107664

約数和(自身を除く): 241887164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 394, 500, 788, 985, 1970, 2053, 3940, 4106, 4925, 8212, 9850, 10265, 19700, 20530, 24625, 41060, 49250, 51325, 98500, 102650, 205300, 256625, 404441, 513250, 808882, 1026500, 1617764, 2022205, 4044410, 8088820, 10111025, 20222050, 40444100, 50555125, 101110250, 202220500]

約数ペア:

[(1, 202220500), (2, 101110250), (4, 50555125), (5, 40444100), (10, 20222050), (20, 10111025), (25, 8088820), (50, 4044410), (100, 2022205), (125, 1617764), (197, 1026500), (250, 808882), (394, 513250), (500, 404441), (788, 256625), (985, 205300), (1970, 102650), (2053, 98500), (3940, 51325), (4106, 49250), (4925, 41060), (8212, 24625), (9850, 20530), (10265, 19700)]