329800

素因数分解:

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

素因数の和:130

約数の個数: 48

約数和(自身を含む): 820260

約数和(自身を除く): 490460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 97, 100, 136, 170, 194, 200, 340, 388, 425, 485, 680, 776, 850, 970, 1649, 1700, 1940, 2425, 3298, 3400, 3880, 4850, 6596, 8245, 9700, 13192, 16490, 19400, 32980, 41225, 65960, 82450, 164900, 329800]

約数ペア:

[(1, 329800), (2, 164900), (4, 82450), (5, 65960), (8, 41225), (10, 32980), (17, 19400), (20, 16490), (25, 13192), (34, 9700), (40, 8245), (50, 6596), (68, 4850), (85, 3880), (97, 3400), (100, 3298), (136, 2425), (170, 1940), (194, 1700), (200, 1649), (340, 970), (388, 850), (425, 776), (485, 680)]