221212720

素因数分解:

$2^4\times 5^1\times {\mathrm{593}}^1\times {\mathrm{4663}}^1$

素因数の和:5269

約数の個数: 40

約数和(自身を含む): 515297376

約数和(自身を除く): 294084656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 593, 1186, 2372, 2965, 4663, 4744, 5930, 9326, 9488, 11860, 18652, 23315, 23720, 37304, 46630, 47440, 74608, 93260, 186520, 373040, 2765159, 5530318, 11060636, 13825795, 22121272, 27651590, 44242544, 55303180, 110606360, 221212720]

約数ペア:

[(1, 221212720), (2, 110606360), (4, 55303180), (5, 44242544), (8, 27651590), (10, 22121272), (16, 13825795), (20, 11060636), (40, 5530318), (80, 2765159), (593, 373040), (1186, 186520), (2372, 93260), (2965, 74608), (4663, 47440), (4744, 46630), (5930, 37304), (9326, 23720), (9488, 23315), (11860, 18652)]