127750420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21221}}^1$

素因数の和:21280

約数の個数: 48

約数和(自身を含む): 313746048

約数和(自身を除く): 185995628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 21221, 42442, 84884, 106105, 148547, 212210, 297094, 424420, 594188, 742735, 912503, 1485470, 1825006, 2970940, 3650012, 4562515, 6387521, 9125030, 12775042, 18250060, 25550084, 31937605, 63875210, 127750420]

約数ペア:

[(1, 127750420), (2, 63875210), (4, 31937605), (5, 25550084), (7, 18250060), (10, 12775042), (14, 9125030), (20, 6387521), (28, 4562515), (35, 3650012), (43, 2970940), (70, 1825006), (86, 1485470), (140, 912503), (172, 742735), (215, 594188), (301, 424420), (430, 297094), (602, 212210), (860, 148547), (1204, 106105), (1505, 84884), (3010, 42442), (6020, 21221)]