74826020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 162062208

約数和(自身を除く): 87236188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 430, 521, 668, 835, 860, 1042, 1670, 2084, 2605, 3340, 5210, 7181, 10420, 14362, 22403, 28724, 35905, 44806, 71810, 87007, 89612, 112015, 143620, 174014, 224030, 348028, 435035, 448060, 870070, 1740140, 3741301, 7482602, 14965204, 18706505, 37413010, 74826020]

約数ペア:

[(1, 74826020), (2, 37413010), (4, 18706505), (5, 14965204), (10, 7482602), (20, 3741301), (43, 1740140), (86, 870070), (167, 448060), (172, 435035), (215, 348028), (334, 224030), (430, 174014), (521, 143620), (668, 112015), (835, 89612), (860, 87007), (1042, 71810), (1670, 44806), (2084, 35905), (2605, 28724), (3340, 22403), (5210, 14362), (7181, 10420)]