30806888

素因数分解:

$2^3\times 7^3\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 68640000

約数和(自身を除く): 37833112

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 103, 109, 196, 206, 218, 343, 392, 412, 436, 686, 721, 763, 824, 872, 1372, 1442, 1526, 2744, 2884, 3052, 5047, 5341, 5768, 6104, 10094, 10682, 11227, 20188, 21364, 22454, 35329, 37387, 40376, 42728, 44908, 70658, 74774, 78589, 89816, 141316, 149548, 157178, 282632, 299096, 314356, 550123, 628712, 1100246, 2200492, 3850861, 4400984, 7701722, 15403444, 30806888]

約数ペア:

[(1, 30806888), (2, 15403444), (4, 7701722), (7, 4400984), (8, 3850861), (14, 2200492), (28, 1100246), (49, 628712), (56, 550123), (98, 314356), (103, 299096), (109, 282632), (196, 157178), (206, 149548), (218, 141316), (343, 89816), (392, 78589), (412, 74774), (436, 70658), (686, 44908), (721, 42728), (763, 40376), (824, 37387), (872, 35329), (1372, 22454), (1442, 21364), (1526, 20188), (2744, 11227), (2884, 10682), (3052, 10094), (5047, 6104), (5341, 5768)]