9863980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70457}}^1$

素因数の和:70473

約数の個数: 24

約数和(自身を含む): 23673888

約数和(自身を除く): 13809908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70457, 140914, 281828, 352285, 493199, 704570, 986398, 1409140, 1972796, 2465995, 4931990, 9863980]

約数ペア:

[(1, 9863980), (2, 4931990), (4, 2465995), (5, 1972796), (7, 1409140), (10, 986398), (14, 704570), (20, 493199), (28, 352285), (35, 281828), (70, 140914), (140, 70457)]