616123450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20983

約数の個数: 48

約数和(自身を含む): 1245277440

約数和(自身を除く): 629153990

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 775, 950, 1178, 1550, 2945, 5890, 14725, 20921, 29450, 41842, 104605, 209210, 397499, 523025, 648551, 794998, 1046050, 1297102, 1987495, 3242755, 3974990, 6485510, 9937475, 12322469, 16213775, 19874950, 24644938, 32427550, 61612345, 123224690, 308061725, 616123450]

約数ペア:

[(1, 616123450), (2, 308061725), (5, 123224690), (10, 61612345), (19, 32427550), (25, 24644938), (31, 19874950), (38, 16213775), (50, 12322469), (62, 9937475), (95, 6485510), (155, 3974990), (190, 3242755), (310, 1987495), (475, 1297102), (589, 1046050), (775, 794998), (950, 648551), (1178, 523025), (1550, 397499), (2945, 209210), (5890, 104605), (14725, 41842), (20921, 29450)]