78473000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 185749200

約数和(自身を除く): 107276200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 776, 809, 970, 1000, 1618, 1940, 2425, 3236, 3880, 4045, 4850, 6472, 8090, 9700, 12125, 16180, 19400, 20225, 24250, 32360, 40450, 48500, 78473, 80900, 97000, 101125, 156946, 161800, 202250, 313892, 392365, 404500, 627784, 784730, 809000, 1569460, 1961825, 3138920, 3923650, 7847300, 9809125, 15694600, 19618250, 39236500, 78473000]

約数ペア:

[(1, 78473000), (2, 39236500), (4, 19618250), (5, 15694600), (8, 9809125), (10, 7847300), (20, 3923650), (25, 3138920), (40, 1961825), (50, 1569460), (97, 809000), (100, 784730), (125, 627784), (194, 404500), (200, 392365), (250, 313892), (388, 202250), (485, 161800), (500, 156946), (776, 101125), (809, 97000), (970, 80900), (1000, 78473), (1618, 48500), (1940, 40450), (2425, 32360), (3236, 24250), (3880, 20225), (4045, 19400), (4850, 16180), (6472, 12125), (8090, 9700)]