86551460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{953}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 192326400

約数和(自身を除く): 105774940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 953, 956, 1195, 1906, 2390, 3812, 4541, 4765, 4780, 9082, 9530, 18107, 18164, 19060, 22705, 36214, 45410, 72428, 90535, 90820, 181070, 227767, 362140, 455534, 911068, 1138835, 2277670, 4327573, 4555340, 8655146, 17310292, 21637865, 43275730, 86551460]

約数ペア:

[(1, 86551460), (2, 43275730), (4, 21637865), (5, 17310292), (10, 8655146), (19, 4555340), (20, 4327573), (38, 2277670), (76, 1138835), (95, 911068), (190, 455534), (239, 362140), (380, 227767), (478, 181070), (953, 90820), (956, 90535), (1195, 72428), (1906, 45410), (2390, 36214), (3812, 22705), (4541, 19060), (4765, 18164), (4780, 18107), (9082, 9530)]