84379960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43051}}^1$

素因数の和:43076

約数の個数: 48

約数和(自身を含む): 220856760

約数和(自身を除く): 136476800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43051, 86102, 172204, 215255, 301357, 344408, 430510, 602714, 861020, 1205428, 1506785, 1722040, 2109499, 2410856, 3013570, 4218998, 6027140, 8437996, 10547495, 12054280, 16875992, 21094990, 42189980, 84379960]

約数ペア:

[(1, 84379960), (2, 42189980), (4, 21094990), (5, 16875992), (7, 12054280), (8, 10547495), (10, 8437996), (14, 6027140), (20, 4218998), (28, 3013570), (35, 2410856), (40, 2109499), (49, 1722040), (56, 1506785), (70, 1205428), (98, 861020), (140, 602714), (196, 430510), (245, 344408), (280, 301357), (392, 215255), (490, 172204), (980, 86102), (1960, 43051)]