2705531684080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{243303209}}^1$

素因数の和:243303361

約数の個数: 40

約数和(自身を含む): 6335615588400

約数和(自身を除く): 3630083904320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 243303209, 486606418, 973212836, 1216516045, 1946425672, 2433032090, 3892851344, 4866064180, 9732128360, 19464256720, 33819146051, 67638292102, 135276584204, 169095730255, 270553168408, 338191460510, 541106336816, 676382921020, 1352765842040, 2705531684080]

約数ペア:

[(1, 2705531684080), (2, 1352765842040), (4, 676382921020), (5, 541106336816), (8, 338191460510), (10, 270553168408), (16, 169095730255), (20, 135276584204), (40, 67638292102), (80, 33819146051), (139, 19464256720), (278, 9732128360), (556, 4866064180), (695, 3892851344), (1112, 2433032090), (1390, 1946425672), (2224, 1216516045), (2780, 973212836), (5560, 486606418), (11120, 243303209)]