202157020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2767}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 458978688

約数和(自身を除く): 256821668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 1124, 1405, 2767, 2810, 3653, 5534, 5620, 7306, 11068, 13835, 14612, 18265, 27670, 35971, 36530, 55340, 71942, 73060, 143884, 179855, 359710, 719420, 777527, 1555054, 3110108, 3887635, 7775270, 10107851, 15550540, 20215702, 40431404, 50539255, 101078510, 202157020]

約数ペア:

[(1, 202157020), (2, 101078510), (4, 50539255), (5, 40431404), (10, 20215702), (13, 15550540), (20, 10107851), (26, 7775270), (52, 3887635), (65, 3110108), (130, 1555054), (260, 777527), (281, 719420), (562, 359710), (1124, 179855), (1405, 143884), (2767, 73060), (2810, 71942), (3653, 55340), (5534, 36530), (5620, 35971), (7306, 27670), (11068, 18265), (13835, 14612)]