2285000

素因数分解:

$2^3\times 5^4\times {\mathrm{457}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 5365470

約数和(自身を除く): 3080470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 457, 500, 625, 914, 1000, 1250, 1828, 2285, 2500, 3656, 4570, 5000, 9140, 11425, 18280, 22850, 45700, 57125, 91400, 114250, 228500, 285625, 457000, 571250, 1142500, 2285000]

約数ペア:

[(1, 2285000), (2, 1142500), (4, 571250), (5, 457000), (8, 285625), (10, 228500), (20, 114250), (25, 91400), (40, 57125), (50, 45700), (100, 22850), (125, 18280), (200, 11425), (250, 9140), (457, 5000), (500, 4570), (625, 3656), (914, 2500), (1000, 2285), (1250, 1828)]