30987260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91139}}^1$

素因数の和:91165

約数の個数: 24

約数和(自身を含む): 68901840

約数和(自身を除く): 37914580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91139, 182278, 364556, 455695, 911390, 1549363, 1822780, 3098726, 6197452, 7746815, 15493630, 30987260]

約数ペア:

[(1, 30987260), (2, 15493630), (4, 7746815), (5, 6197452), (10, 3098726), (17, 1822780), (20, 1549363), (34, 911390), (68, 455695), (85, 364556), (170, 182278), (340, 91139)]