7663000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 18345600

約数和(自身を除く): 10682600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 97, 100, 125, 158, 194, 200, 250, 316, 388, 395, 485, 500, 632, 776, 790, 970, 1000, 1580, 1940, 1975, 2425, 3160, 3880, 3950, 4850, 7663, 7900, 9700, 9875, 12125, 15326, 15800, 19400, 19750, 24250, 30652, 38315, 39500, 48500, 61304, 76630, 79000, 97000, 153260, 191575, 306520, 383150, 766300, 957875, 1532600, 1915750, 3831500, 7663000]

約数ペア:

[(1, 7663000), (2, 3831500), (4, 1915750), (5, 1532600), (8, 957875), (10, 766300), (20, 383150), (25, 306520), (40, 191575), (50, 153260), (79, 97000), (97, 79000), (100, 76630), (125, 61304), (158, 48500), (194, 39500), (200, 38315), (250, 30652), (316, 24250), (388, 19750), (395, 19400), (485, 15800), (500, 15326), (632, 12125), (776, 9875), (790, 9700), (970, 7900), (1000, 7663), (1580, 4850), (1940, 3950), (1975, 3880), (2425, 3160)]