30842070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{20981}}^1$

素因数の和:21005

約数の個数: 48

約数和(自身を含む): 86110128

約数和(自身を除く): 55268058

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, 20981, 41962, 62943, 104905, 125886, 146867, 209810, 293734, 314715, 440601, 629430, 734335, 881202, 1028069, 1468670, 2056138, 2203005, 3084207, 4406010, 5140345, 6168414, 10280690, 15421035, 30842070]

約数ペア:

[(1, 30842070), (2, 15421035), (3, 10280690), (5, 6168414), (6, 5140345), (7, 4406010), (10, 3084207), (14, 2203005), (15, 2056138), (21, 1468670), (30, 1028069), (35, 881202), (42, 734335), (49, 629430), (70, 440601), (98, 314715), (105, 293734), (147, 209810), (210, 146867), (245, 125886), (294, 104905), (490, 62943), (735, 41962), (1470, 20981)]