79027340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1109}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 190209600

約数和(自身を除く): 111182260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1109, 2036, 2218, 2545, 3563, 4436, 5090, 5545, 7126, 7763, 10180, 11090, 14252, 15526, 17815, 22180, 31052, 35630, 38815, 71260, 77630, 155260, 564481, 1128962, 2257924, 2822405, 3951367, 5644810, 7902734, 11289620, 15805468, 19756835, 39513670, 79027340]

約数ペア:

[(1, 79027340), (2, 39513670), (4, 19756835), (5, 15805468), (7, 11289620), (10, 7902734), (14, 5644810), (20, 3951367), (28, 2822405), (35, 2257924), (70, 1128962), (140, 564481), (509, 155260), (1018, 77630), (1109, 71260), (2036, 38815), (2218, 35630), (2545, 31052), (3563, 22180), (4436, 17815), (5090, 15526), (5545, 14252), (7126, 11090), (7763, 10180)]