2014871875

素因数分解:

$5^5\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 2820381984

約数和(自身を除く): 805510109

約数列:

[1, 5, 17, 23, 25, 85, 97, 115, 125, 289, 391, 425, 485, 575, 625, 1445, 1649, 1955, 2125, 2231, 2425, 2875, 3125, 6647, 7225, 8245, 9775, 10625, 11155, 12125, 14375, 28033, 33235, 36125, 37927, 41225, 48875, 53125, 55775, 60625, 71875, 140165, 166175, 180625, 189635, 206125, 244375, 278875, 303125, 644759, 700825, 830875, 903125, 948175, 1030625, 1221875, 1394375, 3223795, 3504125, 4154375, 4740875, 5153125, 6971875, 16118975, 17520625, 20771875, 23704375, 80594875, 87603125, 118521875, 402974375, 2014871875]

約数ペア:

[(1, 2014871875), (5, 402974375), (17, 118521875), (23, 87603125), (25, 80594875), (85, 23704375), (97, 20771875), (115, 17520625), (125, 16118975), (289, 6971875), (391, 5153125), (425, 4740875), (485, 4154375), (575, 3504125), (625, 3223795), (1445, 1394375), (1649, 1221875), (1955, 1030625), (2125, 948175), (2231, 903125), (2425, 830875), (2875, 700825), (3125, 644759), (6647, 303125), (7225, 278875), (8245, 244375), (9775, 206125), (10625, 189635), (11155, 180625), (12125, 166175), (14375, 140165), (28033, 71875), (33235, 60625), (36125, 55775), (37927, 53125), (41225, 48875)]