2186470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 4692240

約数和(自身を除く): 2505770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 139, 143, 242, 278, 286, 605, 695, 715, 1210, 1390, 1430, 1529, 1573, 1807, 3058, 3146, 3614, 7645, 7865, 9035, 15290, 15730, 16819, 18070, 19877, 33638, 39754, 84095, 99385, 168190, 198770, 218647, 437294, 1093235, 2186470]

約数ペア:

[(1, 2186470), (2, 1093235), (5, 437294), (10, 218647), (11, 198770), (13, 168190), (22, 99385), (26, 84095), (55, 39754), (65, 33638), (110, 19877), (121, 18070), (130, 16819), (139, 15730), (143, 15290), (242, 9035), (278, 7865), (286, 7645), (605, 3614), (695, 3146), (715, 3058), (1210, 1807), (1390, 1573), (1430, 1529)]