400996850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1667}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 792993888

約数和(自身を除く): 391997038

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 283, 425, 566, 850, 1415, 1667, 2830, 3334, 4811, 7075, 8335, 9622, 14150, 16670, 24055, 28339, 41675, 48110, 56678, 83350, 120275, 141695, 240550, 283390, 471761, 708475, 943522, 1416950, 2358805, 4717610, 8019937, 11794025, 16039874, 23588050, 40099685, 80199370, 200498425, 400996850]

約数ペア:

[(1, 400996850), (2, 200498425), (5, 80199370), (10, 40099685), (17, 23588050), (25, 16039874), (34, 11794025), (50, 8019937), (85, 4717610), (170, 2358805), (283, 1416950), (425, 943522), (566, 708475), (850, 471761), (1415, 283390), (1667, 240550), (2830, 141695), (3334, 120275), (4811, 83350), (7075, 56678), (8335, 48110), (9622, 41675), (14150, 28339), (16670, 24055)]