280051408

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{192343}}^1$

素因数の和:192371

約数の個数: 40

約数和(自身を含む): 667818368

約数和(自身を除く): 387766960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 192343, 384686, 769372, 1346401, 1538744, 2500459, 2692802, 3077488, 5000918, 5385604, 10001836, 10771208, 17503213, 20003672, 21542416, 35006426, 40007344, 70012852, 140025704, 280051408]

約数ペア:

[(1, 280051408), (2, 140025704), (4, 70012852), (7, 40007344), (8, 35006426), (13, 21542416), (14, 20003672), (16, 17503213), (26, 10771208), (28, 10001836), (52, 5385604), (56, 5000918), (91, 3077488), (104, 2692802), (112, 2500459), (182, 1538744), (208, 1346401), (364, 769372), (728, 384686), (1456, 192343)]