1819000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 4548960

約数和(自身を除く): 2729960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 107, 125, 136, 170, 200, 214, 250, 340, 425, 428, 500, 535, 680, 850, 856, 1000, 1070, 1700, 1819, 2125, 2140, 2675, 3400, 3638, 4250, 4280, 5350, 7276, 8500, 9095, 10700, 13375, 14552, 17000, 18190, 21400, 26750, 36380, 45475, 53500, 72760, 90950, 107000, 181900, 227375, 363800, 454750, 909500, 1819000]

約数ペア:

[(1, 1819000), (2, 909500), (4, 454750), (5, 363800), (8, 227375), (10, 181900), (17, 107000), (20, 90950), (25, 72760), (34, 53500), (40, 45475), (50, 36380), (68, 26750), (85, 21400), (100, 18190), (107, 17000), (125, 14552), (136, 13375), (170, 10700), (200, 9095), (214, 8500), (250, 7276), (340, 5350), (425, 4280), (428, 4250), (500, 3638), (535, 3400), (680, 2675), (850, 2140), (856, 2125), (1000, 1819), (1070, 1700)]