239689580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2081}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 543551904

約数和(自身を除く): 303862324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1772, 2081, 2215, 4162, 4430, 5759, 8324, 8860, 10405, 11518, 20810, 23036, 27053, 28795, 41620, 54106, 57590, 108212, 115180, 135265, 270530, 541060, 921883, 1843766, 3687532, 4609415, 9218830, 11984479, 18437660, 23968958, 47937916, 59922395, 119844790, 239689580]

約数ペア:

[(1, 239689580), (2, 119844790), (4, 59922395), (5, 47937916), (10, 23968958), (13, 18437660), (20, 11984479), (26, 9218830), (52, 4609415), (65, 3687532), (130, 1843766), (260, 921883), (443, 541060), (886, 270530), (1772, 135265), (2081, 115180), (2215, 108212), (4162, 57590), (4430, 54106), (5759, 41620), (8324, 28795), (8860, 27053), (10405, 23036), (11518, 20810)]