309644000

素因数分解:

$2^5\times 5^3\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 766584000

約数和(自身を除く): 456940000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 199, 200, 250, 389, 398, 400, 500, 778, 796, 800, 995, 1000, 1556, 1592, 1945, 1990, 2000, 3112, 3184, 3890, 3980, 4000, 4975, 6224, 6368, 7780, 7960, 9725, 9950, 12448, 15560, 15920, 19450, 19900, 24875, 31120, 31840, 38900, 39800, 48625, 49750, 62240, 77411, 77800, 79600, 97250, 99500, 154822, 155600, 159200, 194500, 199000, 309644, 311200, 387055, 389000, 398000, 619288, 774110, 778000, 796000, 1238576, 1548220, 1556000, 1935275, 2477152, 3096440, 3870550, 6192880, 7741100, 9676375, 12385760, 15482200, 19352750, 30964400, 38705500, 61928800, 77411000, 154822000, 309644000]

約数ペア:

[(1, 309644000), (2, 154822000), (4, 77411000), (5, 61928800), (8, 38705500), (10, 30964400), (16, 19352750), (20, 15482200), (25, 12385760), (32, 9676375), (40, 7741100), (50, 6192880), (80, 3870550), (100, 3096440), (125, 2477152), (160, 1935275), (199, 1556000), (200, 1548220), (250, 1238576), (389, 796000), (398, 778000), (400, 774110), (500, 619288), (778, 398000), (796, 389000), (800, 387055), (995, 311200), (1000, 309644), (1556, 199000), (1592, 194500), (1945, 159200), (1990, 155600), (2000, 154822), (3112, 99500), (3184, 97250), (3890, 79600), (3980, 77800), (4000, 77411), (4975, 62240), (6224, 49750), (6368, 48625), (7780, 39800), (7960, 38900), (9725, 31840), (9950, 31120), (12448, 24875), (15560, 19900), (15920, 19450)]