223996240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215381}}^1$

素因数の和:215407

約数の個数: 40

約数和(自身を含む): 560854728

約数和(自身を除く): 336858488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 215381, 430762, 861524, 1076905, 1723048, 2153810, 2799953, 3446096, 4307620, 5599906, 8615240, 11199812, 13999765, 17230480, 22399624, 27999530, 44799248, 55999060, 111998120, 223996240]

約数ペア:

[(1, 223996240), (2, 111998120), (4, 55999060), (5, 44799248), (8, 27999530), (10, 22399624), (13, 17230480), (16, 13999765), (20, 11199812), (26, 8615240), (40, 5599906), (52, 4307620), (65, 3446096), (80, 2799953), (104, 2153810), (130, 1723048), (208, 1076905), (260, 861524), (520, 430762), (1040, 215381)]