31400100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 108

約数和(自身を含む): 99524880

約数和(自身を除く): 68124780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 251, 278, 300, 417, 450, 502, 556, 695, 753, 834, 900, 1004, 1251, 1255, 1390, 1506, 1668, 2085, 2259, 2502, 2510, 2780, 3012, 3475, 3765, 4170, 4518, 5004, 5020, 6255, 6275, 6950, 7530, 8340, 9036, 10425, 11295, 12510, 12550, 13900, 15060, 18825, 20850, 22590, 25020, 25100, 31275, 34889, 37650, 41700, 45180, 56475, 62550, 69778, 75300, 104667, 112950, 125100, 139556, 174445, 209334, 225900, 314001, 348890, 418668, 523335, 628002, 697780, 872225, 1046670, 1256004, 1570005, 1744450, 2093340, 2616675, 3140010, 3488900, 5233350, 6280020, 7850025, 10466700, 15700050, 31400100]

約数ペア:

[(1, 31400100), (2, 15700050), (3, 10466700), (4, 7850025), (5, 6280020), (6, 5233350), (9, 3488900), (10, 3140010), (12, 2616675), (15, 2093340), (18, 1744450), (20, 1570005), (25, 1256004), (30, 1046670), (36, 872225), (45, 697780), (50, 628002), (60, 523335), (75, 418668), (90, 348890), (100, 314001), (139, 225900), (150, 209334), (180, 174445), (225, 139556), (251, 125100), (278, 112950), (300, 104667), (417, 75300), (450, 69778), (502, 62550), (556, 56475), (695, 45180), (753, 41700), (834, 37650), (900, 34889), (1004, 31275), (1251, 25100), (1255, 25020), (1390, 22590), (1506, 20850), (1668, 18825), (2085, 15060), (2259, 13900), (2502, 12550), (2510, 12510), (2780, 11295), (3012, 10425), (3475, 9036), (3765, 8340), (4170, 7530), (4518, 6950), (5004, 6275), (5020, 6255)]