4406990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 9146304

約数和(自身を除く): 4739314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 401, 785, 802, 1099, 1570, 2005, 2198, 2807, 4010, 5495, 5614, 10990, 14035, 28070, 62957, 125914, 314785, 440699, 629570, 881398, 2203495, 4406990]

約数ペア:

[(1, 4406990), (2, 2203495), (5, 881398), (7, 629570), (10, 440699), (14, 314785), (35, 125914), (70, 62957), (157, 28070), (314, 14035), (401, 10990), (785, 5614), (802, 5495), (1099, 4010), (1570, 2807), (2005, 2198)]