139104560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{248401}}^1$

素因数の和:248421

約数の個数: 40

約数和(自身を含む): 369622176

約数和(自身を除く): 230517616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 248401, 496802, 993604, 1242005, 1738807, 1987208, 2484010, 3477614, 3974416, 4968020, 6955228, 8694035, 9936040, 13910456, 17388070, 19872080, 27820912, 34776140, 69552280, 139104560]

約数ペア:

[(1, 139104560), (2, 69552280), (4, 34776140), (5, 27820912), (7, 19872080), (8, 17388070), (10, 13910456), (14, 9936040), (16, 8694035), (20, 6955228), (28, 4968020), (35, 3974416), (40, 3477614), (56, 2484010), (70, 1987208), (80, 1738807), (112, 1242005), (140, 993604), (280, 496802), (560, 248401)]