400120800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{293}}^1\times {\mathrm{569}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 1309134960

約数和(自身を除く): 909014160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 293, 300, 400, 480, 569, 586, 600, 800, 879, 1138, 1172, 1200, 1465, 1707, 1758, 2276, 2344, 2400, 2845, 2930, 3414, 3516, 4395, 4552, 4688, 5690, 5860, 6828, 7032, 7325, 8535, 8790, 9104, 9376, 11380, 11720, 13656, 14064, 14225, 14650, 17070, 17580, 18208, 21975, 22760, 23440, 27312, 28128, 28450, 29300, 34140, 35160, 42675, 43950, 45520, 46880, 54624, 56900, 58600, 68280, 70320, 85350, 87900, 91040, 113800, 117200, 136560, 140640, 166717, 170700, 175800, 227600, 234400, 273120, 333434, 341400, 351600, 455200, 500151, 666868, 682800, 703200, 833585, 1000302, 1333736, 1365600, 1667170, 2000604, 2500755, 2667472, 3334340, 4001208, 4167925, 5001510, 5334944, 6668680, 8002416, 8335850, 10003020, 12503775, 13337360, 16004832, 16671700, 20006040, 25007550, 26674720, 33343400, 40012080, 50015100, 66686800, 80024160, 100030200, 133373600, 200060400, 400120800]

約数ペア:

[(1, 400120800), (2, 200060400), (3, 133373600), (4, 100030200), (5, 80024160), (6, 66686800), (8, 50015100), (10, 40012080), (12, 33343400), (15, 26674720), (16, 25007550), (20, 20006040), (24, 16671700), (25, 16004832), (30, 13337360), (32, 12503775), (40, 10003020), (48, 8335850), (50, 8002416), (60, 6668680), (75, 5334944), (80, 5001510), (96, 4167925), (100, 4001208), (120, 3334340), (150, 2667472), (160, 2500755), (200, 2000604), (240, 1667170), (293, 1365600), (300, 1333736), (400, 1000302), (480, 833585), (569, 703200), (586, 682800), (600, 666868), (800, 500151), (879, 455200), (1138, 351600), (1172, 341400), (1200, 333434), (1465, 273120), (1707, 234400), (1758, 227600), (2276, 175800), (2344, 170700), (2400, 166717), (2845, 140640), (2930, 136560), (3414, 117200), (3516, 113800), (4395, 91040), (4552, 87900), (4688, 85350), (5690, 70320), (5860, 68280), (6828, 58600), (7032, 56900), (7325, 54624), (8535, 46880), (8790, 45520), (9104, 43950), (9376, 42675), (11380, 35160), (11720, 34140), (13656, 29300), (14064, 28450), (14225, 28128), (14650, 27312), (17070, 23440), (17580, 22760), (18208, 21975)]