400383728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{13757}}^1$

素因数の和:13889

約数の個数: 40

約数和(自身を含む): 829112112

約数和(自身を除く): 428728384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 3638, 7276, 13757, 14552, 27514, 29104, 55028, 110056, 220112, 233869, 467738, 935476, 1471999, 1870952, 2943998, 3741904, 5887996, 11775992, 23551984, 25023983, 50047966, 100095932, 200191864, 400383728]

約数ペア:

[(1, 400383728), (2, 200191864), (4, 100095932), (8, 50047966), (16, 25023983), (17, 23551984), (34, 11775992), (68, 5887996), (107, 3741904), (136, 2943998), (214, 1870952), (272, 1471999), (428, 935476), (856, 467738), (1712, 233869), (1819, 220112), (3638, 110056), (7276, 55028), (13757, 29104), (14552, 27514)]