8890910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 18429120

約数和(自身を除く): 9538210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 809, 1099, 1570, 1618, 2198, 4045, 5495, 5663, 8090, 10990, 11326, 28315, 56630, 127013, 254026, 635065, 889091, 1270130, 1778182, 4445455, 8890910]

約数ペア:

[(1, 8890910), (2, 4445455), (5, 1778182), (7, 1270130), (10, 889091), (14, 635065), (35, 254026), (70, 127013), (157, 56630), (314, 28315), (785, 11326), (809, 10990), (1099, 8090), (1570, 5663), (1618, 5495), (2198, 4045)]