249299440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239711}}^1$

素因数の和:239737

約数の個数: 40

約数和(自身を含む): 624210048

約数和(自身を除く): 374910608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 239711, 479422, 958844, 1198555, 1917688, 2397110, 3116243, 3835376, 4794220, 6232486, 9588440, 12464972, 15581215, 19176880, 24929944, 31162430, 49859888, 62324860, 124649720, 249299440]

約数ペア:

[(1, 249299440), (2, 124649720), (4, 62324860), (5, 49859888), (8, 31162430), (10, 24929944), (13, 19176880), (16, 15581215), (20, 12464972), (26, 9588440), (40, 6232486), (52, 4794220), (65, 3835376), (80, 3116243), (104, 2397110), (130, 1917688), (208, 1198555), (260, 958844), (520, 479422), (1040, 239711)]