140508780260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17569}}^1\times {\mathrm{4493}}^1$

素因数の和:22160

約数の個数: 48

約数和(自身を含む): 298467212400

約数和(自身を除く): 157958432140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4493, 8986, 17569, 17972, 22465, 35138, 44930, 70276, 87845, 89860, 175690, 351380, 399877, 799754, 1563641, 1599508, 1999385, 3127282, 3998770, 6254564, 7818205, 7997540, 15636410, 31272820, 78937517, 157875034, 315750068, 394687585, 789375170, 1578750340, 7025439013, 14050878026, 28101756052, 35127195065, 70254390130, 140508780260]

約数ペア:

[(1, 140508780260), (2, 70254390130), (4, 35127195065), (5, 28101756052), (10, 14050878026), (20, 7025439013), (89, 1578750340), (178, 789375170), (356, 394687585), (445, 315750068), (890, 157875034), (1780, 78937517), (4493, 31272820), (8986, 15636410), (17569, 7997540), (17972, 7818205), (22465, 6254564), (35138, 3998770), (44930, 3127282), (70276, 1999385), (87845, 1599508), (89860, 1563641), (175690, 799754), (351380, 399877)]