128149700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{26153}}^1$

素因数の和:26181

約数の個数: 54

約数和(自身を含む): 323498826

約数和(自身を除く): 195349126

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 26153, 52306, 104612, 130765, 183071, 261530, 366142, 523060, 653825, 732284, 915355, 1281497, 1307650, 1830710, 2562994, 2615300, 3661420, 4576775, 5125988, 6407485, 9153550, 12814970, 18307100, 25629940, 32037425, 64074850, 128149700]

約数ペア:

[(1, 128149700), (2, 64074850), (4, 32037425), (5, 25629940), (7, 18307100), (10, 12814970), (14, 9153550), (20, 6407485), (25, 5125988), (28, 4576775), (35, 3661420), (49, 2615300), (50, 2562994), (70, 1830710), (98, 1307650), (100, 1281497), (140, 915355), (175, 732284), (196, 653825), (245, 523060), (350, 366142), (490, 261530), (700, 183071), (980, 130765), (1225, 104612), (2450, 52306), (4900, 26153)]