142120240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29123}}^1$

素因数の和:29197

約数の個数: 40

約数和(自身を含む): 335857968

約数和(自身を除く): 193737728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 29123, 58246, 116492, 145615, 232984, 291230, 465968, 582460, 1164920, 1776503, 2329840, 3553006, 7106012, 8882515, 14212024, 17765030, 28424048, 35530060, 71060120, 142120240]

約数ペア:

[(1, 142120240), (2, 71060120), (4, 35530060), (5, 28424048), (8, 17765030), (10, 14212024), (16, 8882515), (20, 7106012), (40, 3553006), (61, 2329840), (80, 1776503), (122, 1164920), (244, 582460), (305, 465968), (488, 291230), (610, 232984), (976, 145615), (1220, 116492), (2440, 58246), (4880, 29123)]