8185380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19489}}^1$

素因数の和:19508

約数の個数: 48

約数和(自身を含む): 26194560

約数和(自身を除く): 18009180

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, 19489, 38978, 58467, 77956, 97445, 116934, 136423, 194890, 233868, 272846, 292335, 389780, 409269, 545692, 584670, 682115, 818538, 1169340, 1364230, 1637076, 2046345, 2728460, 4092690, 8185380]

約数ペア:

[(1, 8185380), (2, 4092690), (3, 2728460), (4, 2046345), (5, 1637076), (6, 1364230), (7, 1169340), (10, 818538), (12, 682115), (14, 584670), (15, 545692), (20, 409269), (21, 389780), (28, 292335), (30, 272846), (35, 233868), (42, 194890), (60, 136423), (70, 116934), (84, 97445), (105, 77956), (140, 58467), (210, 38978), (420, 19489)]