489762800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 1228111872

約数和(自身を除く): 738349072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 127, 155, 200, 248, 254, 310, 311, 400, 496, 508, 620, 622, 635, 775, 1016, 1240, 1244, 1270, 1550, 1555, 2032, 2480, 2488, 2540, 3100, 3110, 3175, 3937, 4976, 5080, 6200, 6220, 6350, 7775, 7874, 9641, 10160, 12400, 12440, 12700, 15550, 15748, 19282, 19685, 24880, 25400, 31100, 31496, 38564, 39370, 39497, 48205, 50800, 62200, 62992, 77128, 78740, 78994, 96410, 98425, 124400, 154256, 157480, 157988, 192820, 196850, 197485, 241025, 314960, 315976, 385640, 393700, 394970, 482050, 631952, 771280, 787400, 789940, 964100, 987425, 1224407, 1574800, 1579880, 1928200, 1974850, 2448814, 3159760, 3856400, 3949700, 4897628, 6122035, 7899400, 9795256, 12244070, 15798800, 19590512, 24488140, 30610175, 48976280, 61220350, 97952560, 122440700, 244881400, 489762800]

約数ペア:

[(1, 489762800), (2, 244881400), (4, 122440700), (5, 97952560), (8, 61220350), (10, 48976280), (16, 30610175), (20, 24488140), (25, 19590512), (31, 15798800), (40, 12244070), (50, 9795256), (62, 7899400), (80, 6122035), (100, 4897628), (124, 3949700), (127, 3856400), (155, 3159760), (200, 2448814), (248, 1974850), (254, 1928200), (310, 1579880), (311, 1574800), (400, 1224407), (496, 987425), (508, 964100), (620, 789940), (622, 787400), (635, 771280), (775, 631952), (1016, 482050), (1240, 394970), (1244, 393700), (1270, 385640), (1550, 315976), (1555, 314960), (2032, 241025), (2480, 197485), (2488, 196850), (2540, 192820), (3100, 157988), (3110, 157480), (3175, 154256), (3937, 124400), (4976, 98425), (5080, 96410), (6200, 78994), (6220, 78740), (6350, 77128), (7775, 62992), (7874, 62200), (9641, 50800), (10160, 48205), (12400, 39497), (12440, 39370), (12700, 38564), (15550, 31496), (15748, 31100), (19282, 25400), (19685, 24880)]