155117800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 377118720

約数和(自身を除く): 222000920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 127, 155, 197, 200, 248, 254, 310, 394, 508, 620, 635, 775, 788, 985, 1016, 1240, 1270, 1550, 1576, 1970, 2540, 3100, 3175, 3937, 3940, 4925, 5080, 6107, 6200, 6350, 7874, 7880, 9850, 12214, 12700, 15748, 19685, 19700, 24428, 25019, 25400, 30535, 31496, 39370, 39400, 48856, 50038, 61070, 78740, 98425, 100076, 122140, 125095, 152675, 157480, 196850, 200152, 244280, 250190, 305350, 393700, 500380, 610700, 625475, 775589, 787400, 1000760, 1221400, 1250950, 1551178, 2501900, 3102356, 3877945, 5003800, 6204712, 7755890, 15511780, 19389725, 31023560, 38779450, 77558900, 155117800]

約数ペア:

[(1, 155117800), (2, 77558900), (4, 38779450), (5, 31023560), (8, 19389725), (10, 15511780), (20, 7755890), (25, 6204712), (31, 5003800), (40, 3877945), (50, 3102356), (62, 2501900), (100, 1551178), (124, 1250950), (127, 1221400), (155, 1000760), (197, 787400), (200, 775589), (248, 625475), (254, 610700), (310, 500380), (394, 393700), (508, 305350), (620, 250190), (635, 244280), (775, 200152), (788, 196850), (985, 157480), (1016, 152675), (1240, 125095), (1270, 122140), (1550, 100076), (1576, 98425), (1970, 78740), (2540, 61070), (3100, 50038), (3175, 48856), (3937, 39400), (3940, 39370), (4925, 31496), (5080, 30535), (6107, 25400), (6200, 25019), (6350, 24428), (7874, 19700), (7880, 19685), (9850, 15748), (12214, 12700)]