249718900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131431}}^1$

素因数の和:131464

約数の個数: 36

約数和(自身を含む): 570414880

約数和(自身を除く): 320695980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 131431, 262862, 525724, 657155, 1314310, 2497189, 2628620, 3285775, 4994378, 6571550, 9988756, 12485945, 13143100, 24971890, 49943780, 62429725, 124859450, 249718900]

約数ペア:

[(1, 249718900), (2, 124859450), (4, 62429725), (5, 49943780), (10, 24971890), (19, 13143100), (20, 12485945), (25, 9988756), (38, 6571550), (50, 4994378), (76, 3285775), (95, 2628620), (100, 2497189), (190, 1314310), (380, 657155), (475, 525724), (950, 262862), (1900, 131431)]