7949900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 20269536

約数和(自身を除く): 12319636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 277, 287, 350, 410, 554, 574, 700, 820, 1025, 1108, 1148, 1385, 1435, 1939, 2050, 2770, 2870, 3878, 4100, 5540, 5740, 6925, 7175, 7756, 9695, 11357, 13850, 14350, 19390, 22714, 27700, 28700, 38780, 45428, 48475, 56785, 79499, 96950, 113570, 158998, 193900, 227140, 283925, 317996, 397495, 567850, 794990, 1135700, 1589980, 1987475, 3974950, 7949900]

約数ペア:

[(1, 7949900), (2, 3974950), (4, 1987475), (5, 1589980), (7, 1135700), (10, 794990), (14, 567850), (20, 397495), (25, 317996), (28, 283925), (35, 227140), (41, 193900), (50, 158998), (70, 113570), (82, 96950), (100, 79499), (140, 56785), (164, 48475), (175, 45428), (205, 38780), (277, 28700), (287, 27700), (350, 22714), (410, 19390), (554, 14350), (574, 13850), (700, 11357), (820, 9695), (1025, 7756), (1108, 7175), (1148, 6925), (1385, 5740), (1435, 5540), (1939, 4100), (2050, 3878), (2770, 2870)]