10998820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 26587008

約数和(自身を除く): 15588188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 313, 502, 626, 1004, 1252, 1255, 1565, 1757, 2191, 2510, 3130, 3514, 4382, 5020, 6260, 7028, 8764, 8785, 10955, 17570, 21910, 35140, 43820, 78563, 157126, 314252, 392815, 549941, 785630, 1099882, 1571260, 2199764, 2749705, 5499410, 10998820]

約数ペア:

[(1, 10998820), (2, 5499410), (4, 2749705), (5, 2199764), (7, 1571260), (10, 1099882), (14, 785630), (20, 549941), (28, 392815), (35, 314252), (70, 157126), (140, 78563), (251, 43820), (313, 35140), (502, 21910), (626, 17570), (1004, 10955), (1252, 8785), (1255, 8764), (1565, 7028), (1757, 6260), (2191, 5020), (2510, 4382), (3130, 3514)]