16644460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 23977940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1949, 2135, 3898, 4270, 7796, 8540, 9745, 13643, 19490, 27286, 38980, 54572, 68215, 118889, 136430, 237778, 272860, 475556, 594445, 832223, 1188890, 1664446, 2377780, 3328892, 4161115, 8322230, 16644460]

約数ペア:

[(1, 16644460), (2, 8322230), (4, 4161115), (5, 3328892), (7, 2377780), (10, 1664446), (14, 1188890), (20, 832223), (28, 594445), (35, 475556), (61, 272860), (70, 237778), (122, 136430), (140, 118889), (244, 68215), (305, 54572), (427, 38980), (610, 27286), (854, 19490), (1220, 13643), (1708, 9745), (1949, 8540), (2135, 7796), (3898, 4270)]