2005372220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1\times {\mathrm{569}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 4239678240

約数和(自身を除く): 2234306020

約数列:

[1, 2, 4, 5, 10, 20, 313, 563, 569, 626, 1126, 1138, 1252, 1565, 2252, 2276, 2815, 2845, 3130, 5630, 5690, 6260, 11260, 11380, 176219, 178097, 320347, 352438, 356194, 640694, 704876, 712388, 881095, 890485, 1281388, 1601735, 1762190, 1780970, 3203470, 3524380, 3561940, 6406940, 100268611, 200537222, 401074444, 501343055, 1002686110, 2005372220]

約数ペア:

[(1, 2005372220), (2, 1002686110), (4, 501343055), (5, 401074444), (10, 200537222), (20, 100268611), (313, 6406940), (563, 3561940), (569, 3524380), (626, 3203470), (1126, 1780970), (1138, 1762190), (1252, 1601735), (1565, 1281388), (2252, 890485), (2276, 881095), (2815, 712388), (2845, 704876), (3130, 640694), (5630, 356194), (5690, 352438), (6260, 320347), (11260, 178097), (11380, 176219)]