8990030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{2621}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 18878400

約数和(自身を除く): 9888370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2621, 3430, 5242, 13105, 18347, 26210, 36694, 91735, 128429, 183470, 256858, 642145, 899003, 1284290, 1798006, 4495015, 8990030]

約数ペア:

[(1, 8990030), (2, 4495015), (5, 1798006), (7, 1284290), (10, 899003), (14, 642145), (35, 256858), (49, 183470), (70, 128429), (98, 91735), (245, 36694), (343, 26210), (490, 18347), (686, 13105), (1715, 5242), (2621, 3430)]