251734192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 530323200

約数和(自身を除く): 278589008

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 107, 109, 142, 152, 214, 218, 284, 304, 428, 436, 568, 856, 872, 1136, 1349, 1712, 1744, 2033, 2071, 2698, 4066, 4142, 5396, 7597, 7739, 8132, 8284, 10792, 11663, 15194, 15478, 16264, 16568, 21584, 23326, 30388, 30956, 32528, 33136, 46652, 60776, 61912, 93304, 121552, 123824, 144343, 147041, 186608, 221597, 288686, 294082, 443194, 577372, 588164, 828073, 886388, 1154744, 1176328, 1656146, 1772776, 2309488, 2352656, 3312292, 3545552, 6624584, 13249168, 15733387, 31466774, 62933548, 125867096, 251734192]

約数ペア:

[(1, 251734192), (2, 125867096), (4, 62933548), (8, 31466774), (16, 15733387), (19, 13249168), (38, 6624584), (71, 3545552), (76, 3312292), (107, 2352656), (109, 2309488), (142, 1772776), (152, 1656146), (214, 1176328), (218, 1154744), (284, 886388), (304, 828073), (428, 588164), (436, 577372), (568, 443194), (856, 294082), (872, 288686), (1136, 221597), (1349, 186608), (1712, 147041), (1744, 144343), (2033, 123824), (2071, 121552), (2698, 93304), (4066, 61912), (4142, 60776), (5396, 46652), (7597, 33136), (7739, 32528), (8132, 30956), (8284, 30388), (10792, 23326), (11663, 21584), (15194, 16568), (15478, 16264)]