2098760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 4795200

約数和(自身を除く): 2696440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 739, 1420, 1478, 2840, 2956, 3695, 5912, 7390, 14780, 29560, 52469, 104938, 209876, 262345, 419752, 524690, 1049380, 2098760]

約数ペア:

[(1, 2098760), (2, 1049380), (4, 524690), (5, 419752), (8, 262345), (10, 209876), (20, 104938), (40, 52469), (71, 29560), (142, 14780), (284, 7390), (355, 5912), (568, 3695), (710, 2956), (739, 2840), (1420, 1478)]