11187820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 27074880

約数和(自身を除く): 15887060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 509, 628, 785, 1018, 1099, 1570, 2036, 2198, 2545, 3140, 3563, 4396, 5090, 5495, 7126, 10180, 10990, 14252, 17815, 21980, 35630, 71260, 79913, 159826, 319652, 399565, 559391, 799130, 1118782, 1598260, 2237564, 2796955, 5593910, 11187820]

約数ペア:

[(1, 11187820), (2, 5593910), (4, 2796955), (5, 2237564), (7, 1598260), (10, 1118782), (14, 799130), (20, 559391), (28, 399565), (35, 319652), (70, 159826), (140, 79913), (157, 71260), (314, 35630), (509, 21980), (628, 17815), (785, 14252), (1018, 10990), (1099, 10180), (1570, 7126), (2036, 5495), (2198, 5090), (2545, 4396), (3140, 3563)]