340408040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1215743}}^1$

素因数の和:1215761

約数の個数: 32

約数和(自身を含む): 875335680

約数和(自身を除く): 534927640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1215743, 2431486, 4862972, 6078715, 8510201, 9725944, 12157430, 17020402, 24314860, 34040804, 42551005, 48629720, 68081608, 85102010, 170204020, 340408040]

約数ペア:

[(1, 340408040), (2, 170204020), (4, 85102010), (5, 68081608), (7, 48629720), (8, 42551005), (10, 34040804), (14, 24314860), (20, 17020402), (28, 12157430), (35, 9725944), (40, 8510201), (56, 6078715), (70, 4862972), (140, 2431486), (280, 1215743)]