40190290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{82021}}^1$

素因数の和:82042

約数の個数: 24

約数和(自身を含む): 84154572

約数和(自身を除く): 43964282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 82021, 164042, 410105, 574147, 820210, 1148294, 2870735, 4019029, 5741470, 8038058, 20095145, 40190290]

約数ペア:

[(1, 40190290), (2, 20095145), (5, 8038058), (7, 5741470), (10, 4019029), (14, 2870735), (35, 1148294), (49, 820210), (70, 574147), (98, 410105), (245, 164042), (490, 82021)]