816777700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{8111}}^1$

素因数の和:8197

約数の個数: 72

約数和(自身を含む): 1901128320

約数和(自身を除く): 1084350620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 475, 530, 950, 1007, 1060, 1325, 1900, 2014, 2650, 4028, 5035, 5300, 8111, 10070, 16222, 20140, 25175, 32444, 40555, 50350, 81110, 100700, 154109, 162220, 202775, 308218, 405550, 429883, 616436, 770545, 811100, 859766, 1541090, 1719532, 2149415, 3082180, 3852725, 4298830, 7705450, 8167777, 8597660, 10747075, 15410900, 16335554, 21494150, 32671108, 40838885, 42988300, 81677770, 163355540, 204194425, 408388850, 816777700]

約数ペア:

[(1, 816777700), (2, 408388850), (4, 204194425), (5, 163355540), (10, 81677770), (19, 42988300), (20, 40838885), (25, 32671108), (38, 21494150), (50, 16335554), (53, 15410900), (76, 10747075), (95, 8597660), (100, 8167777), (106, 7705450), (190, 4298830), (212, 3852725), (265, 3082180), (380, 2149415), (475, 1719532), (530, 1541090), (950, 859766), (1007, 811100), (1060, 770545), (1325, 616436), (1900, 429883), (2014, 405550), (2650, 308218), (4028, 202775), (5035, 162220), (5300, 154109), (8111, 100700), (10070, 81110), (16222, 50350), (20140, 40555), (25175, 32444)]