208603160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 479783520

約数和(自身を除く): 271180360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 277, 281, 335, 536, 554, 562, 670, 1108, 1124, 1340, 1385, 1405, 2216, 2248, 2680, 2770, 2810, 5540, 5620, 11080, 11240, 18559, 18827, 37118, 37654, 74236, 75308, 77837, 92795, 94135, 148472, 150616, 155674, 185590, 188270, 311348, 371180, 376540, 389185, 622696, 742360, 753080, 778370, 1556740, 3113480, 5215079, 10430158, 20860316, 26075395, 41720632, 52150790, 104301580, 208603160]

約数ペア:

[(1, 208603160), (2, 104301580), (4, 52150790), (5, 41720632), (8, 26075395), (10, 20860316), (20, 10430158), (40, 5215079), (67, 3113480), (134, 1556740), (268, 778370), (277, 753080), (281, 742360), (335, 622696), (536, 389185), (554, 376540), (562, 371180), (670, 311348), (1108, 188270), (1124, 185590), (1340, 155674), (1385, 150616), (1405, 148472), (2216, 94135), (2248, 92795), (2680, 77837), (2770, 75308), (2810, 74236), (5540, 37654), (5620, 37118), (11080, 18827), (11240, 18559)]