138501640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{182239}}^1$

素因数の和:182269

約数の個数: 32

約数和(自身を含む): 328032000

約数和(自身を除く): 189530360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 182239, 364478, 728956, 911195, 1457912, 1822390, 3462541, 3644780, 6925082, 7289560, 13850164, 17312705, 27700328, 34625410, 69250820, 138501640]

約数ペア:

[(1, 138501640), (2, 69250820), (4, 34625410), (5, 27700328), (8, 17312705), (10, 13850164), (19, 7289560), (20, 6925082), (38, 3644780), (40, 3462541), (76, 1822390), (95, 1457912), (152, 911195), (190, 728956), (380, 364478), (760, 182239)]