208334540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^2\times {\mathrm{607}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 441594048

約数和(自身を除く): 233259508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 607, 655, 1214, 1310, 2428, 2620, 3035, 6070, 12140, 17161, 34322, 68644, 79517, 85805, 159034, 171610, 318068, 343220, 397585, 795170, 1590340, 10416727, 20833454, 41666908, 52083635, 104167270, 208334540]

約数ペア:

[(1, 208334540), (2, 104167270), (4, 52083635), (5, 41666908), (10, 20833454), (20, 10416727), (131, 1590340), (262, 795170), (524, 397585), (607, 343220), (655, 318068), (1214, 171610), (1310, 159034), (2428, 85805), (2620, 79517), (3035, 68644), (6070, 34322), (12140, 17161)]