257974710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{175493}}^1$

素因数の和:175517

約数の個数: 48

約数和(自身を含む): 720227376

約数和(自身を除く): 462252666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 175493, 350986, 526479, 877465, 1052958, 1228451, 1754930, 2456902, 2632395, 3685353, 5264790, 6142255, 7370706, 8599157, 12284510, 17198314, 18426765, 25797471, 36853530, 42995785, 51594942, 85991570, 128987355, 257974710]

約数ペア:

[(1, 257974710), (2, 128987355), (3, 85991570), (5, 51594942), (6, 42995785), (7, 36853530), (10, 25797471), (14, 18426765), (15, 17198314), (21, 12284510), (30, 8599157), (35, 7370706), (42, 6142255), (49, 5264790), (70, 3685353), (98, 2632395), (105, 2456902), (147, 1754930), (210, 1228451), (245, 1052958), (294, 877465), (490, 526479), (735, 350986), (1470, 175493)]