13931980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 30604896

約数和(自身を除く): 16672916

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 185, 268, 281, 335, 370, 562, 670, 740, 1124, 1340, 1405, 2479, 2810, 4958, 5620, 9916, 10397, 12395, 18827, 20794, 24790, 37654, 41588, 49580, 51985, 75308, 94135, 103970, 188270, 207940, 376540, 696599, 1393198, 2786396, 3482995, 6965990, 13931980]

約数ペア:

[(1, 13931980), (2, 6965990), (4, 3482995), (5, 2786396), (10, 1393198), (20, 696599), (37, 376540), (67, 207940), (74, 188270), (134, 103970), (148, 94135), (185, 75308), (268, 51985), (281, 49580), (335, 41588), (370, 37654), (562, 24790), (670, 20794), (740, 18827), (1124, 12395), (1340, 10397), (1405, 9916), (2479, 5620), (2810, 4958)]