2021888900

素因数分解:

$2^2\times 5^2\times {\mathrm{491}}^1\times {\mathrm{41179}}^1$

素因数の和:41684

約数の個数: 36

約数和(自身を含む): 4396541520

約数和(自身を除く): 2374652620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 491, 982, 1964, 2455, 4910, 9820, 12275, 24550, 41179, 49100, 82358, 164716, 205895, 411790, 823580, 1029475, 2058950, 4117900, 20218889, 40437778, 80875556, 101094445, 202188890, 404377780, 505472225, 1010944450, 2021888900]

約数ペア:

[(1, 2021888900), (2, 1010944450), (4, 505472225), (5, 404377780), (10, 202188890), (20, 101094445), (25, 80875556), (50, 40437778), (100, 20218889), (491, 4117900), (982, 2058950), (1964, 1029475), (2455, 823580), (4910, 411790), (9820, 205895), (12275, 164716), (24550, 82358), (41179, 49100)]