207923660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{212167}}^1$

素因数の和:212190

約数の個数: 36

約数和(自身を含む): 507930192

約数和(自身を除く): 300006532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 212167, 424334, 848668, 1060835, 1485169, 2121670, 2970338, 4243340, 5940676, 7425845, 10396183, 14851690, 20792366, 29703380, 41584732, 51980915, 103961830, 207923660]

約数ペア:

[(1, 207923660), (2, 103961830), (4, 51980915), (5, 41584732), (7, 29703380), (10, 20792366), (14, 14851690), (20, 10396183), (28, 7425845), (35, 5940676), (49, 4243340), (70, 2970338), (98, 2121670), (140, 1485169), (196, 1060835), (245, 848668), (490, 424334), (980, 212167)]