245067440

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11059}}^1$

素因数の和:11349

約数の個数: 40

約数和(自身を含む): 571890480

約数和(自身を除く): 326823040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 11059, 11080, 22118, 22160, 44236, 55295, 88472, 110590, 176944, 221180, 442360, 884720, 3063343, 6126686, 12253372, 15316715, 24506744, 30633430, 49013488, 61266860, 122533720, 245067440]

約数ペア:

[(1, 245067440), (2, 122533720), (4, 61266860), (5, 49013488), (8, 30633430), (10, 24506744), (16, 15316715), (20, 12253372), (40, 6126686), (80, 3063343), (277, 884720), (554, 442360), (1108, 221180), (1385, 176944), (2216, 110590), (2770, 88472), (4432, 55295), (5540, 44236), (11059, 22160), (11080, 22118)]