1279797800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{206419}}^1$

素因数の和:206466

約数の個数: 48

約数和(自身を含む): 3071529600

約数和(自身を除く): 1791731800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 206419, 412838, 825676, 1032095, 1651352, 2064190, 4128380, 5160475, 6398989, 8256760, 10320950, 12797978, 20641900, 25595956, 31994945, 41283800, 51191912, 63989890, 127979780, 159974725, 255959560, 319949450, 639898900, 1279797800]

約数ペア:

[(1, 1279797800), (2, 639898900), (4, 319949450), (5, 255959560), (8, 159974725), (10, 127979780), (20, 63989890), (25, 51191912), (31, 41283800), (40, 31994945), (50, 25595956), (62, 20641900), (100, 12797978), (124, 10320950), (155, 8256760), (200, 6398989), (248, 5160475), (310, 4128380), (620, 2064190), (775, 1651352), (1240, 1032095), (1550, 825676), (3100, 412838), (6200, 206419)]