90182890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4651}}^1$

素因数の和:4942

約数の個数: 32

約数和(自身を含む): 186228864

約数和(自身を除く): 96045974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 1385, 1939, 2770, 3878, 4651, 9302, 9695, 19390, 23255, 32557, 46510, 65114, 162785, 325570, 1288327, 2576654, 6441635, 9018289, 12883270, 18036578, 45091445, 90182890]

約数ペア:

[(1, 90182890), (2, 45091445), (5, 18036578), (7, 12883270), (10, 9018289), (14, 6441635), (35, 2576654), (70, 1288327), (277, 325570), (554, 162785), (1385, 65114), (1939, 46510), (2770, 32557), (3878, 23255), (4651, 19390), (9302, 9695)]