83915440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21407}}^1$

素因数の和:21434

約数の個数: 60

約数和(自身を含む): 226967616

約数和(自身を除く): 143052176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21407, 42814, 85628, 107035, 149849, 171256, 214070, 299698, 342512, 428140, 599396, 749245, 856280, 1048943, 1198792, 1498490, 1712560, 2097886, 2397584, 2996980, 4195772, 5244715, 5993960, 8391544, 10489430, 11987920, 16783088, 20978860, 41957720, 83915440]

約数ペア:

[(1, 83915440), (2, 41957720), (4, 20978860), (5, 16783088), (7, 11987920), (8, 10489430), (10, 8391544), (14, 5993960), (16, 5244715), (20, 4195772), (28, 2996980), (35, 2397584), (40, 2097886), (49, 1712560), (56, 1498490), (70, 1198792), (80, 1048943), (98, 856280), (112, 749245), (140, 599396), (196, 428140), (245, 342512), (280, 299698), (392, 214070), (490, 171256), (560, 149849), (784, 107035), (980, 85628), (1960, 42814), (3920, 21407)]