320778865

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31189}}^1$

素因数の和:31233

約数の個数: 24

約数和(自身を含む): 448013160

約数和(自身を除く): 127234295

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 10285, 31189, 155945, 343079, 530213, 1715395, 2651065, 3773869, 5832343, 18869345, 29161715, 64155773, 320778865]

約数ペア:

[(1, 320778865), (5, 64155773), (11, 29161715), (17, 18869345), (55, 5832343), (85, 3773869), (121, 2651065), (187, 1715395), (605, 530213), (935, 343079), (2057, 155945), (10285, 31189)]