71292220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{467}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 159213600

約数和(自身を除く): 87921380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 467, 898, 934, 1796, 1868, 2245, 2335, 4490, 4670, 7633, 7939, 8980, 9340, 15266, 15878, 30532, 31756, 38165, 39695, 76330, 79390, 152660, 158780, 209683, 419366, 838732, 1048415, 2096830, 3564611, 4193660, 7129222, 14258444, 17823055, 35646110, 71292220]

約数ペア:

[(1, 71292220), (2, 35646110), (4, 17823055), (5, 14258444), (10, 7129222), (17, 4193660), (20, 3564611), (34, 2096830), (68, 1048415), (85, 838732), (170, 419366), (340, 209683), (449, 158780), (467, 152660), (898, 79390), (934, 76330), (1796, 39695), (1868, 38165), (2245, 31756), (2335, 30532), (4490, 15878), (4670, 15266), (7633, 9340), (7939, 8980)]