265660220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1897573}}^1$

素因数の和:1897589

約数の個数: 24

約数和(自身を含む): 637584864

約数和(自身を除く): 371924644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1897573, 3795146, 7590292, 9487865, 13283011, 18975730, 26566022, 37951460, 53132044, 66415055, 132830110, 265660220]

約数ペア:

[(1, 265660220), (2, 132830110), (4, 66415055), (5, 53132044), (7, 37951460), (10, 26566022), (14, 18975730), (20, 13283011), (28, 9487865), (35, 7590292), (70, 3795146), (140, 1897573)]