7788770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 15886584

約数和(自身を除く): 8097814

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 157, 205, 242, 314, 410, 451, 605, 785, 902, 1210, 1570, 1727, 2255, 3454, 4510, 4961, 6437, 8635, 9922, 12874, 17270, 18997, 24805, 32185, 37994, 49610, 64370, 70807, 94985, 141614, 189970, 354035, 708070, 778877, 1557754, 3894385, 7788770]

約数ペア:

[(1, 7788770), (2, 3894385), (5, 1557754), (10, 778877), (11, 708070), (22, 354035), (41, 189970), (55, 141614), (82, 94985), (110, 70807), (121, 64370), (157, 49610), (205, 37994), (242, 32185), (314, 24805), (410, 18997), (451, 17270), (605, 12874), (785, 9922), (902, 8635), (1210, 6437), (1570, 4961), (1727, 4510), (2255, 3454)]