210907280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64301}}^1$

素因数の和:64355

約数の個数: 40

約数和(自身を含む): 502327224

約数和(自身を除く): 291419944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 64301, 128602, 257204, 321505, 514408, 643010, 1028816, 1286020, 2572040, 2636341, 5144080, 5272682, 10545364, 13181705, 21090728, 26363410, 42181456, 52726820, 105453640, 210907280]

約数ペア:

[(1, 210907280), (2, 105453640), (4, 52726820), (5, 42181456), (8, 26363410), (10, 21090728), (16, 13181705), (20, 10545364), (40, 5272682), (41, 5144080), (80, 2636341), (82, 2572040), (164, 1286020), (205, 1028816), (328, 643010), (410, 514408), (656, 321505), (820, 257204), (1640, 128602), (3280, 64301)]