1731259100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19387}}^1$

素因数の和:19467

約数の個数: 72

約数和(自身を含む): 4038908160

約数和(自身を除く): 2307649060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1175, 1786, 1900, 2350, 3572, 4465, 4700, 8930, 17860, 19387, 22325, 38774, 44650, 77548, 89300, 96935, 193870, 368353, 387740, 484675, 736706, 911189, 969350, 1473412, 1822378, 1841765, 1938700, 3644756, 3683530, 4555945, 7367060, 9111890, 9208825, 17312591, 18223780, 18417650, 22779725, 34625182, 36835300, 45559450, 69250364, 86562955, 91118900, 173125910, 346251820, 432814775, 865629550, 1731259100]

約数ペア:

[(1, 1731259100), (2, 865629550), (4, 432814775), (5, 346251820), (10, 173125910), (19, 91118900), (20, 86562955), (25, 69250364), (38, 45559450), (47, 36835300), (50, 34625182), (76, 22779725), (94, 18417650), (95, 18223780), (100, 17312591), (188, 9208825), (190, 9111890), (235, 7367060), (380, 4555945), (470, 3683530), (475, 3644756), (893, 1938700), (940, 1841765), (950, 1822378), (1175, 1473412), (1786, 969350), (1900, 911189), (2350, 736706), (3572, 484675), (4465, 387740), (4700, 368353), (8930, 193870), (17860, 96935), (19387, 89300), (22325, 77548), (38774, 44650)]