140895440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 376047360

約数和(自身を除く): 235151920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 560, 622, 809, 1244, 1555, 1618, 2177, 2488, 3110, 3236, 4045, 4354, 4976, 5663, 6220, 6472, 8090, 8708, 10885, 11326, 12440, 12944, 16180, 17416, 21770, 22652, 24880, 28315, 32360, 34832, 43540, 45304, 56630, 64720, 87080, 90608, 113260, 174160, 226520, 251599, 453040, 503198, 1006396, 1257995, 1761193, 2012792, 2515990, 3522386, 4025584, 5031980, 7044772, 8805965, 10063960, 14089544, 17611930, 20127920, 28179088, 35223860, 70447720, 140895440]

約数ペア:

[(1, 140895440), (2, 70447720), (4, 35223860), (5, 28179088), (7, 20127920), (8, 17611930), (10, 14089544), (14, 10063960), (16, 8805965), (20, 7044772), (28, 5031980), (35, 4025584), (40, 3522386), (56, 2515990), (70, 2012792), (80, 1761193), (112, 1257995), (140, 1006396), (280, 503198), (311, 453040), (560, 251599), (622, 226520), (809, 174160), (1244, 113260), (1555, 90608), (1618, 87080), (2177, 64720), (2488, 56630), (3110, 45304), (3236, 43540), (4045, 34832), (4354, 32360), (4976, 28315), (5663, 24880), (6220, 22652), (6472, 21770), (8090, 17416), (8708, 16180), (10885, 12944), (11326, 12440)]