388000

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 963144

約数和(自身を除く): 575144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 125, 160, 194, 200, 250, 388, 400, 485, 500, 776, 800, 970, 1000, 1552, 1940, 2000, 2425, 3104, 3880, 4000, 4850, 7760, 9700, 12125, 15520, 19400, 24250, 38800, 48500, 77600, 97000, 194000, 388000]

約数ペア:

[(1, 388000), (2, 194000), (4, 97000), (5, 77600), (8, 48500), (10, 38800), (16, 24250), (20, 19400), (25, 15520), (32, 12125), (40, 9700), (50, 7760), (80, 4850), (97, 4000), (100, 3880), (125, 3104), (160, 2425), (194, 2000), (200, 1940), (250, 1552), (388, 1000), (400, 970), (485, 800), (500, 776)]