247873520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 600342528

約数和(自身を除く): 352469008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 787, 1016, 1240, 1270, 1574, 2032, 2480, 2540, 3148, 3935, 3937, 5080, 6296, 7870, 7874, 10160, 12592, 15740, 15748, 19685, 24397, 31480, 31496, 39370, 48794, 62960, 62992, 78740, 97588, 99949, 121985, 157480, 195176, 199898, 243970, 314960, 390352, 399796, 487940, 499745, 799592, 975880, 999490, 1599184, 1951760, 1998980, 3098419, 3997960, 6196838, 7995920, 12393676, 15492095, 24787352, 30984190, 49574704, 61968380, 123936760, 247873520]

約数ペア:

[(1, 247873520), (2, 123936760), (4, 61968380), (5, 49574704), (8, 30984190), (10, 24787352), (16, 15492095), (20, 12393676), (31, 7995920), (40, 6196838), (62, 3997960), (80, 3098419), (124, 1998980), (127, 1951760), (155, 1599184), (248, 999490), (254, 975880), (310, 799592), (496, 499745), (508, 487940), (620, 399796), (635, 390352), (787, 314960), (1016, 243970), (1240, 199898), (1270, 195176), (1574, 157480), (2032, 121985), (2480, 99949), (2540, 97588), (3148, 78740), (3935, 62992), (3937, 62960), (5080, 48794), (6296, 39370), (7870, 31496), (7874, 31480), (10160, 24397), (12592, 19685), (15740, 15748)]