71465660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1117}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 172046784

約数和(自身を除く): 100581124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1117, 1828, 2234, 2285, 3199, 4468, 4570, 5585, 6398, 7819, 9140, 11170, 12796, 15638, 15995, 22340, 31276, 31990, 39095, 63980, 78190, 156380, 510469, 1020938, 2041876, 2552345, 3573283, 5104690, 7146566, 10209380, 14293132, 17866415, 35732830, 71465660]

約数ペア:

[(1, 71465660), (2, 35732830), (4, 17866415), (5, 14293132), (7, 10209380), (10, 7146566), (14, 5104690), (20, 3573283), (28, 2552345), (35, 2041876), (70, 1020938), (140, 510469), (457, 156380), (914, 78190), (1117, 63980), (1828, 39095), (2234, 31990), (2285, 31276), (3199, 22340), (4468, 15995), (4570, 15638), (5585, 12796), (6398, 11170), (7819, 9140)]