201400220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6451}}^1$

素因数の和:6690

約数の個数: 48

約数和(自身を含む): 485603328

約数和(自身を除く): 284203108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 6451, 7805, 12902, 15610, 25804, 31220, 32255, 45157, 64510, 90314, 129020, 180628, 225785, 451570, 903140, 1438573, 2877146, 5754292, 7192865, 10070011, 14385730, 20140022, 28771460, 40280044, 50350055, 100700110, 201400220]

約数ペア:

[(1, 201400220), (2, 100700110), (4, 50350055), (5, 40280044), (7, 28771460), (10, 20140022), (14, 14385730), (20, 10070011), (28, 7192865), (35, 5754292), (70, 2877146), (140, 1438573), (223, 903140), (446, 451570), (892, 225785), (1115, 180628), (1561, 129020), (2230, 90314), (3122, 64510), (4460, 45157), (6244, 32255), (6451, 31220), (7805, 25804), (12902, 15610)]