208796560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7933}}^1$

素因数の和:8000

約数の個数: 80

約数和(自身を含む): 566678016

約数和(自身を除く): 357881456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 7933, 13160, 15866, 26320, 31732, 39665, 55531, 63464, 79330, 111062, 126928, 158660, 222124, 277655, 317320, 372851, 444248, 555310, 634640, 745702, 888496, 1110620, 1491404, 1864255, 2221240, 2609957, 2982808, 3728510, 4442480, 5219914, 5965616, 7457020, 10439828, 13049785, 14914040, 20879656, 26099570, 29828080, 41759312, 52199140, 104398280, 208796560]

約数ペア:

[(1, 208796560), (2, 104398280), (4, 52199140), (5, 41759312), (7, 29828080), (8, 26099570), (10, 20879656), (14, 14914040), (16, 13049785), (20, 10439828), (28, 7457020), (35, 5965616), (40, 5219914), (47, 4442480), (56, 3728510), (70, 2982808), (80, 2609957), (94, 2221240), (112, 1864255), (140, 1491404), (188, 1110620), (235, 888496), (280, 745702), (329, 634640), (376, 555310), (470, 444248), (560, 372851), (658, 317320), (752, 277655), (940, 222124), (1316, 158660), (1645, 126928), (1880, 111062), (2632, 79330), (3290, 63464), (3760, 55531), (5264, 39665), (6580, 31732), (7933, 26320), (13160, 15866)]