30690740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 67882752

約数和(自身を除く): 37192012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 487, 548, 685, 974, 1370, 1948, 2435, 2740, 3151, 4870, 6302, 9740, 11201, 12604, 15755, 22402, 31510, 44804, 56005, 63020, 66719, 112010, 133438, 224020, 266876, 333595, 667190, 1334380, 1534537, 3069074, 6138148, 7672685, 15345370, 30690740]

約数ペア:

[(1, 30690740), (2, 15345370), (4, 7672685), (5, 6138148), (10, 3069074), (20, 1534537), (23, 1334380), (46, 667190), (92, 333595), (115, 266876), (137, 224020), (230, 133438), (274, 112010), (460, 66719), (487, 63020), (548, 56005), (685, 44804), (974, 31510), (1370, 22402), (1948, 15755), (2435, 12604), (2740, 11201), (3151, 9740), (4870, 6302)]