126981680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{226753}}^1$

素因数の和:226773

約数の個数: 40

約数和(自身を含む): 337409952

約数和(自身を除く): 210428272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 226753, 453506, 907012, 1133765, 1587271, 1814024, 2267530, 3174542, 3628048, 4535060, 6349084, 7936355, 9070120, 12698168, 15872710, 18140240, 25396336, 31745420, 63490840, 126981680]

約数ペア:

[(1, 126981680), (2, 63490840), (4, 31745420), (5, 25396336), (7, 18140240), (8, 15872710), (10, 12698168), (14, 9070120), (16, 7936355), (20, 6349084), (28, 4535060), (35, 3628048), (40, 3174542), (56, 2267530), (70, 1814024), (80, 1587271), (112, 1133765), (140, 907012), (280, 453506), (560, 226753)]