30964400

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 60

約数和(自身を含む): 74958000

約数和(自身を除く): 43993600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 389, 398, 400, 778, 796, 995, 1556, 1592, 1945, 1990, 3112, 3184, 3890, 3980, 4975, 6224, 7780, 7960, 9725, 9950, 15560, 15920, 19450, 19900, 31120, 38900, 39800, 77411, 77800, 79600, 154822, 155600, 309644, 387055, 619288, 774110, 1238576, 1548220, 1935275, 3096440, 3870550, 6192880, 7741100, 15482200, 30964400]

約数ペア:

[(1, 30964400), (2, 15482200), (4, 7741100), (5, 6192880), (8, 3870550), (10, 3096440), (16, 1935275), (20, 1548220), (25, 1238576), (40, 774110), (50, 619288), (80, 387055), (100, 309644), (199, 155600), (200, 154822), (389, 79600), (398, 77800), (400, 77411), (778, 39800), (796, 38900), (995, 31120), (1556, 19900), (1592, 19450), (1945, 15920), (1990, 15560), (3112, 9950), (3184, 9725), (3890, 7960), (3980, 7780), (4975, 6224)]