11978680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 19125320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 239, 280, 358, 478, 716, 895, 956, 1195, 1253, 1432, 1673, 1790, 1912, 2390, 2506, 3346, 3580, 4780, 5012, 6265, 6692, 7160, 8365, 9560, 10024, 12530, 13384, 16730, 25060, 33460, 42781, 50120, 66920, 85562, 171124, 213905, 299467, 342248, 427810, 598934, 855620, 1197868, 1497335, 1711240, 2395736, 2994670, 5989340, 11978680]

約数ペア:

[(1, 11978680), (2, 5989340), (4, 2994670), (5, 2395736), (7, 1711240), (8, 1497335), (10, 1197868), (14, 855620), (20, 598934), (28, 427810), (35, 342248), (40, 299467), (56, 213905), (70, 171124), (140, 85562), (179, 66920), (239, 50120), (280, 42781), (358, 33460), (478, 25060), (716, 16730), (895, 13384), (956, 12530), (1195, 10024), (1253, 9560), (1432, 8365), (1673, 7160), (1790, 6692), (1912, 6265), (2390, 5012), (2506, 4780), (3346, 3580)]