2213140

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 4677120

約数和(自身を除く): 2463980

約数列:

[1, 2, 4, 5, 10, 20, 239, 463, 478, 926, 956, 1195, 1852, 2315, 2390, 4630, 4780, 9260, 110657, 221314, 442628, 553285, 1106570, 2213140]

約数ペア:

[(1, 2213140), (2, 1106570), (4, 553285), (5, 442628), (10, 221314), (20, 110657), (239, 9260), (463, 4780), (478, 4630), (926, 2390), (956, 2315), (1195, 1852)]