30719570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 65302848

約数和(自身を除く): 34583278

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 883, 994, 1766, 2485, 3479, 4415, 4970, 6181, 6958, 8830, 12362, 17395, 30905, 34790, 43267, 61810, 62693, 86534, 125386, 216335, 313465, 432670, 438851, 626930, 877702, 2194255, 3071957, 4388510, 6143914, 15359785, 30719570]

約数ペア:

[(1, 30719570), (2, 15359785), (5, 6143914), (7, 4388510), (10, 3071957), (14, 2194255), (35, 877702), (49, 626930), (70, 438851), (71, 432670), (98, 313465), (142, 216335), (245, 125386), (355, 86534), (490, 62693), (497, 61810), (710, 43267), (883, 34790), (994, 30905), (1766, 17395), (2485, 12362), (3479, 8830), (4415, 6958), (4970, 6181)]