28943000

素因数分解:

$2^3\times 5^3\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 68627520

約数和(自身を除く): 39684520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 200, 206, 250, 281, 412, 500, 515, 562, 824, 1000, 1030, 1124, 1405, 2060, 2248, 2575, 2810, 4120, 5150, 5620, 7025, 10300, 11240, 12875, 14050, 20600, 25750, 28100, 28943, 35125, 51500, 56200, 57886, 70250, 103000, 115772, 140500, 144715, 231544, 281000, 289430, 578860, 723575, 1157720, 1447150, 2894300, 3617875, 5788600, 7235750, 14471500, 28943000]

約数ペア:

[(1, 28943000), (2, 14471500), (4, 7235750), (5, 5788600), (8, 3617875), (10, 2894300), (20, 1447150), (25, 1157720), (40, 723575), (50, 578860), (100, 289430), (103, 281000), (125, 231544), (200, 144715), (206, 140500), (250, 115772), (281, 103000), (412, 70250), (500, 57886), (515, 56200), (562, 51500), (824, 35125), (1000, 28943), (1030, 28100), (1124, 25750), (1405, 20600), (2060, 14050), (2248, 12875), (2575, 11240), (2810, 10300), (4120, 7025), (5150, 5620)]