29798980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16741}}^1$

素因数の和:16839

約数の個数: 24

約数和(自身を含む): 63284760

約数和(自身を除く): 33485780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16741, 33482, 66964, 83705, 167410, 334820, 1489949, 2979898, 5959796, 7449745, 14899490, 29798980]

約数ペア:

[(1, 29798980), (2, 14899490), (4, 7449745), (5, 5959796), (10, 2979898), (20, 1489949), (89, 334820), (178, 167410), (356, 83705), (445, 66964), (890, 33482), (1780, 16741)]