211380680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{754931}}^1$

素因数の和:754949

約数の個数: 32

約数和(自身を含む): 543551040

約数和(自身を除く): 332170360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 754931, 1509862, 3019724, 3774655, 5284517, 6039448, 7549310, 10569034, 15098620, 21138068, 26422585, 30197240, 42276136, 52845170, 105690340, 211380680]

約数ペア:

[(1, 211380680), (2, 105690340), (4, 52845170), (5, 42276136), (7, 30197240), (8, 26422585), (10, 21138068), (14, 15098620), (20, 10569034), (28, 7549310), (35, 6039448), (40, 5284517), (56, 3774655), (70, 3019724), (140, 1509862), (280, 754931)]