172843880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{392827}}^1$

素因数の和:392849

約数の個数: 32

約数和(自身を含む): 424254240

約数和(自身を除く): 251410360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 392827, 785654, 1571308, 1964135, 3142616, 3928270, 4321097, 7856540, 8642194, 15713080, 17284388, 21605485, 34568776, 43210970, 86421940, 172843880]

約数ペア:

[(1, 172843880), (2, 86421940), (4, 43210970), (5, 34568776), (8, 21605485), (10, 17284388), (11, 15713080), (20, 8642194), (22, 7856540), (40, 4321097), (44, 3928270), (55, 3142616), (88, 1964135), (110, 1571308), (220, 785654), (440, 392827)]