199702000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3275

約数の個数: 80

約数和(自身を含む): 498610944

約数和(自身を除く): 298908944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3221, 3875, 6200, 6442, 7750, 12400, 12884, 15500, 16105, 25768, 31000, 32210, 51536, 62000, 64420, 80525, 99851, 128840, 161050, 199702, 257680, 322100, 399404, 402625, 499255, 644200, 798808, 805250, 998510, 1288400, 1597616, 1610500, 1997020, 2496275, 3221000, 3994040, 4992550, 6442000, 7988080, 9985100, 12481375, 19970200, 24962750, 39940400, 49925500, 99851000, 199702000]

約数ペア:

[(1, 199702000), (2, 99851000), (4, 49925500), (5, 39940400), (8, 24962750), (10, 19970200), (16, 12481375), (20, 9985100), (25, 7988080), (31, 6442000), (40, 4992550), (50, 3994040), (62, 3221000), (80, 2496275), (100, 1997020), (124, 1610500), (125, 1597616), (155, 1288400), (200, 998510), (248, 805250), (250, 798808), (310, 644200), (400, 499255), (496, 402625), (500, 399404), (620, 322100), (775, 257680), (1000, 199702), (1240, 161050), (1550, 128840), (2000, 99851), (2480, 80525), (3100, 64420), (3221, 62000), (3875, 51536), (6200, 32210), (6442, 31000), (7750, 25768), (12400, 16105), (12884, 15500)]