388675140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1103}}^1$

素因数の和:1961

約数の個数: 96

約数和(自身を含む): 1246371840

約数和(自身を除く): 857696700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 839, 1103, 1678, 2206, 2517, 3309, 3356, 4195, 4412, 5034, 5515, 5873, 6618, 7721, 8390, 10068, 11030, 11746, 12585, 13236, 15442, 16545, 16780, 17619, 22060, 23163, 23492, 25170, 29365, 30884, 33090, 35238, 38605, 46326, 50340, 58730, 66180, 70476, 77210, 88095, 92652, 115815, 117460, 154420, 176190, 231630, 352380, 463260, 925417, 1850834, 2776251, 3701668, 4627085, 5552502, 6477919, 9254170, 11105004, 12955838, 13881255, 18508340, 19433757, 25911676, 27762510, 32389595, 38867514, 55525020, 64779190, 77735028, 97168785, 129558380, 194337570, 388675140]

約数ペア:

[(1, 388675140), (2, 194337570), (3, 129558380), (4, 97168785), (5, 77735028), (6, 64779190), (7, 55525020), (10, 38867514), (12, 32389595), (14, 27762510), (15, 25911676), (20, 19433757), (21, 18508340), (28, 13881255), (30, 12955838), (35, 11105004), (42, 9254170), (60, 6477919), (70, 5552502), (84, 4627085), (105, 3701668), (140, 2776251), (210, 1850834), (420, 925417), (839, 463260), (1103, 352380), (1678, 231630), (2206, 176190), (2517, 154420), (3309, 117460), (3356, 115815), (4195, 92652), (4412, 88095), (5034, 77210), (5515, 70476), (5873, 66180), (6618, 58730), (7721, 50340), (8390, 46326), (10068, 38605), (11030, 35238), (11746, 33090), (12585, 30884), (13236, 29365), (15442, 25170), (16545, 23492), (16780, 23163), (17619, 22060)]