245393768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 499046400

約数和(自身を除く): 253652632

約数列:

[1, 2, 4, 8, 31, 37, 47, 62, 74, 94, 124, 148, 188, 248, 296, 376, 569, 1138, 1147, 1457, 1739, 2276, 2294, 2914, 3478, 4552, 4588, 5828, 6956, 9176, 11656, 13912, 17639, 21053, 26743, 35278, 42106, 53486, 53909, 70556, 84212, 106972, 107818, 141112, 168424, 213944, 215636, 431272, 652643, 829033, 989491, 1305286, 1658066, 1978982, 2610572, 3316132, 3957964, 5221144, 6632264, 7915928, 30674221, 61348442, 122696884, 245393768]

約数ペア:

[(1, 245393768), (2, 122696884), (4, 61348442), (8, 30674221), (31, 7915928), (37, 6632264), (47, 5221144), (62, 3957964), (74, 3316132), (94, 2610572), (124, 1978982), (148, 1658066), (188, 1305286), (248, 989491), (296, 829033), (376, 652643), (569, 431272), (1138, 215636), (1147, 213944), (1457, 168424), (1739, 141112), (2276, 107818), (2294, 106972), (2914, 84212), (3478, 70556), (4552, 53909), (4588, 53486), (5828, 42106), (6956, 35278), (9176, 26743), (11656, 21053), (13912, 17639)]