28997480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 69759360

約数和(自身を除く): 40761880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 733, 860, 920, 989, 1466, 1720, 1978, 2932, 3665, 3956, 4945, 5864, 7330, 7912, 9890, 14660, 16859, 19780, 29320, 31519, 33718, 39560, 63038, 67436, 84295, 126076, 134872, 157595, 168590, 252152, 315190, 337180, 630380, 674360, 724937, 1260760, 1449874, 2899748, 3624685, 5799496, 7249370, 14498740, 28997480]

約数ペア:

[(1, 28997480), (2, 14498740), (4, 7249370), (5, 5799496), (8, 3624685), (10, 2899748), (20, 1449874), (23, 1260760), (40, 724937), (43, 674360), (46, 630380), (86, 337180), (92, 315190), (115, 252152), (172, 168590), (184, 157595), (215, 134872), (230, 126076), (344, 84295), (430, 67436), (460, 63038), (733, 39560), (860, 33718), (920, 31519), (989, 29320), (1466, 19780), (1720, 16859), (1978, 14660), (2932, 9890), (3665, 7912), (3956, 7330), (4945, 5864)]