1649000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 4127760

約数和(自身を除く): 2478760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 97, 100, 125, 136, 170, 194, 200, 250, 340, 388, 425, 485, 500, 680, 776, 850, 970, 1000, 1649, 1700, 1940, 2125, 2425, 3298, 3400, 3880, 4250, 4850, 6596, 8245, 8500, 9700, 12125, 13192, 16490, 17000, 19400, 24250, 32980, 41225, 48500, 65960, 82450, 97000, 164900, 206125, 329800, 412250, 824500, 1649000]

約数ペア:

[(1, 1649000), (2, 824500), (4, 412250), (5, 329800), (8, 206125), (10, 164900), (17, 97000), (20, 82450), (25, 65960), (34, 48500), (40, 41225), (50, 32980), (68, 24250), (85, 19400), (97, 17000), (100, 16490), (125, 13192), (136, 12125), (170, 9700), (194, 8500), (200, 8245), (250, 6596), (340, 4850), (388, 4250), (425, 3880), (485, 3400), (500, 3298), (680, 2425), (776, 2125), (850, 1940), (970, 1700), (1000, 1649)]