28254710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 58892400

約数和(自身を除く): 30637690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 1229, 2090, 2299, 2458, 4598, 6145, 11495, 12290, 13519, 22990, 23351, 27038, 46702, 67595, 116755, 135190, 148709, 233510, 256861, 297418, 513722, 743545, 1284305, 1487090, 2568610, 2825471, 5650942, 14127355, 28254710]

約数ペア:

[(1, 28254710), (2, 14127355), (5, 5650942), (10, 2825471), (11, 2568610), (19, 1487090), (22, 1284305), (38, 743545), (55, 513722), (95, 297418), (110, 256861), (121, 233510), (190, 148709), (209, 135190), (242, 116755), (418, 67595), (605, 46702), (1045, 27038), (1210, 23351), (1229, 22990), (2090, 13519), (2299, 12290), (2458, 11495), (4598, 6145)]