400756944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 1218779136

約数和(自身を除く): 818022192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 107, 112, 142, 157, 168, 213, 214, 284, 314, 321, 336, 426, 428, 471, 497, 568, 628, 642, 749, 852, 856, 942, 994, 1099, 1136, 1256, 1284, 1491, 1498, 1704, 1712, 1884, 1988, 2198, 2247, 2512, 2568, 2982, 2996, 3297, 3408, 3768, 3976, 4396, 4494, 5136, 5964, 5992, 6594, 7536, 7597, 7952, 8792, 8988, 11147, 11928, 11984, 13188, 15194, 16799, 17584, 17976, 22294, 22791, 23856, 26376, 30388, 33441, 33598, 35952, 44588, 45582, 50397, 52752, 53179, 60776, 66882, 67196, 78029, 89176, 91164, 100794, 106358, 117593, 121552, 133764, 134392, 156058, 159537, 178352, 182328, 201588, 212716, 234087, 235186, 267528, 268784, 312116, 319074, 352779, 364656, 403176, 425432, 468174, 470372, 535056, 624232, 638148, 705558, 806352, 850864, 936348, 940744, 1192729, 1248464, 1276296, 1411116, 1872696, 1881488, 2385458, 2552592, 2822232, 3578187, 3745392, 4770916, 5644464, 7156374, 8349103, 9541832, 14312748, 16698206, 19083664, 25047309, 28625496, 33396412, 50094618, 57250992, 66792824, 100189236, 133585648, 200378472, 400756944]

約数ペア:

[(1, 400756944), (2, 200378472), (3, 133585648), (4, 100189236), (6, 66792824), (7, 57250992), (8, 50094618), (12, 33396412), (14, 28625496), (16, 25047309), (21, 19083664), (24, 16698206), (28, 14312748), (42, 9541832), (48, 8349103), (56, 7156374), (71, 5644464), (84, 4770916), (107, 3745392), (112, 3578187), (142, 2822232), (157, 2552592), (168, 2385458), (213, 1881488), (214, 1872696), (284, 1411116), (314, 1276296), (321, 1248464), (336, 1192729), (426, 940744), (428, 936348), (471, 850864), (497, 806352), (568, 705558), (628, 638148), (642, 624232), (749, 535056), (852, 470372), (856, 468174), (942, 425432), (994, 403176), (1099, 364656), (1136, 352779), (1256, 319074), (1284, 312116), (1491, 268784), (1498, 267528), (1704, 235186), (1712, 234087), (1884, 212716), (1988, 201588), (2198, 182328), (2247, 178352), (2512, 159537), (2568, 156058), (2982, 134392), (2996, 133764), (3297, 121552), (3408, 117593), (3768, 106358), (3976, 100794), (4396, 91164), (4494, 89176), (5136, 78029), (5964, 67196), (5992, 66882), (6594, 60776), (7536, 53179), (7597, 52752), (7952, 50397), (8792, 45582), (8988, 44588), (11147, 35952), (11928, 33598), (11984, 33441), (13188, 30388), (15194, 26376), (16799, 23856), (17584, 22791), (17976, 22294)]