87478860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208283}}^1$

素因数の和:208302

約数の個数: 48

約数和(自身を含む): 279933696

約数和(自身を除く): 192454836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208283, 416566, 624849, 833132, 1041415, 1249698, 1457981, 2082830, 2499396, 2915962, 3124245, 4165660, 4373943, 5831924, 6248490, 7289905, 8747886, 12496980, 14579810, 17495772, 21869715, 29159620, 43739430, 87478860]

約数ペア:

[(1, 87478860), (2, 43739430), (3, 29159620), (4, 21869715), (5, 17495772), (6, 14579810), (7, 12496980), (10, 8747886), (12, 7289905), (14, 6248490), (15, 5831924), (20, 4373943), (21, 4165660), (28, 3124245), (30, 2915962), (35, 2499396), (42, 2082830), (60, 1457981), (70, 1249698), (84, 1041415), (105, 833132), (140, 624849), (210, 416566), (420, 208283)]