268306520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{75367}}^1$

素因数の和:75467

約数の個数: 32

約数和(自身を含む): 610480800

約数和(自身を除く): 342174280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 75367, 150734, 301468, 376835, 602936, 753670, 1507340, 3014680, 6707663, 13415326, 26830652, 33538315, 53661304, 67076630, 134153260, 268306520]

約数ペア:

[(1, 268306520), (2, 134153260), (4, 67076630), (5, 53661304), (8, 33538315), (10, 26830652), (20, 13415326), (40, 6707663), (89, 3014680), (178, 1507340), (356, 753670), (445, 602936), (712, 376835), (890, 301468), (1780, 150734), (3560, 75367)]