8386840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 24008400

約数和(自身を除く): 15621560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 389, 392, 440, 490, 539, 616, 770, 778, 980, 1078, 1540, 1556, 1945, 1960, 2156, 2695, 2723, 3080, 3112, 3890, 4279, 4312, 5390, 5446, 7780, 8558, 10780, 10892, 13615, 15560, 17116, 19061, 21395, 21560, 21784, 27230, 29953, 34232, 38122, 42790, 54460, 59906, 76244, 85580, 95305, 108920, 119812, 149765, 152488, 171160, 190610, 209671, 239624, 299530, 381220, 419342, 599060, 762440, 838684, 1048355, 1198120, 1677368, 2096710, 4193420, 8386840]

約数ペア:

[(1, 8386840), (2, 4193420), (4, 2096710), (5, 1677368), (7, 1198120), (8, 1048355), (10, 838684), (11, 762440), (14, 599060), (20, 419342), (22, 381220), (28, 299530), (35, 239624), (40, 209671), (44, 190610), (49, 171160), (55, 152488), (56, 149765), (70, 119812), (77, 108920), (88, 95305), (98, 85580), (110, 76244), (140, 59906), (154, 54460), (196, 42790), (220, 38122), (245, 34232), (280, 29953), (308, 27230), (385, 21784), (389, 21560), (392, 21395), (440, 19061), (490, 17116), (539, 15560), (616, 13615), (770, 10892), (778, 10780), (980, 8558), (1078, 7780), (1540, 5446), (1556, 5390), (1945, 4312), (1960, 4279), (2156, 3890), (2695, 3112), (2723, 3080)]