2908900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 6648880

約数和(自身を除く): 3739980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1531, 1900, 3062, 6124, 7655, 15310, 29089, 30620, 38275, 58178, 76550, 116356, 145445, 153100, 290890, 581780, 727225, 1454450, 2908900]

約数ペア:

[(1, 2908900), (2, 1454450), (4, 727225), (5, 581780), (10, 290890), (19, 153100), (20, 145445), (25, 116356), (38, 76550), (50, 58178), (76, 38275), (95, 30620), (100, 29089), (190, 15310), (380, 7655), (475, 6124), (950, 3062), (1531, 1900)]