388705380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21523}}^1$

素因数の和:21585

約数の個数: 96

約数和(自身を含む): 1272843264

約数和(自身を除く): 884137884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 21523, 43046, 64569, 86092, 107615, 129138, 150661, 215230, 258276, 301322, 322845, 430460, 451983, 602644, 645690, 753305, 903966, 925489, 1291380, 1506610, 1807932, 1850978, 2259915, 2776467, 3013220, 3701956, 4519830, 4627445, 5552934, 6478423, 9039660, 9254890, 11105868, 12956846, 13882335, 18509780, 19435269, 25913692, 27764670, 32392115, 38870538, 55529340, 64784230, 77741076, 97176345, 129568460, 194352690, 388705380]

約数ペア:

[(1, 388705380), (2, 194352690), (3, 129568460), (4, 97176345), (5, 77741076), (6, 64784230), (7, 55529340), (10, 38870538), (12, 32392115), (14, 27764670), (15, 25913692), (20, 19435269), (21, 18509780), (28, 13882335), (30, 12956846), (35, 11105868), (42, 9254890), (43, 9039660), (60, 6478423), (70, 5552934), (84, 4627445), (86, 4519830), (105, 3701956), (129, 3013220), (140, 2776467), (172, 2259915), (210, 1850978), (215, 1807932), (258, 1506610), (301, 1291380), (420, 925489), (430, 903966), (516, 753305), (602, 645690), (645, 602644), (860, 451983), (903, 430460), (1204, 322845), (1290, 301322), (1505, 258276), (1806, 215230), (2580, 150661), (3010, 129138), (3612, 107615), (4515, 86092), (6020, 64569), (9030, 43046), (18060, 21523)]