51621100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 119523600

約数和(自身を除く): 67902500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 190, 202, 269, 380, 404, 475, 505, 538, 950, 1010, 1076, 1345, 1900, 1919, 2020, 2525, 2690, 3838, 5050, 5111, 5380, 6725, 7676, 9595, 10100, 10222, 13450, 19190, 20444, 25555, 26900, 27169, 38380, 47975, 51110, 54338, 95950, 102220, 108676, 127775, 135845, 191900, 255550, 271690, 511100, 516211, 543380, 679225, 1032422, 1358450, 2064844, 2581055, 2716900, 5162110, 10324220, 12905275, 25810550, 51621100]

約数ペア:

[(1, 51621100), (2, 25810550), (4, 12905275), (5, 10324220), (10, 5162110), (19, 2716900), (20, 2581055), (25, 2064844), (38, 1358450), (50, 1032422), (76, 679225), (95, 543380), (100, 516211), (101, 511100), (190, 271690), (202, 255550), (269, 191900), (380, 135845), (404, 127775), (475, 108676), (505, 102220), (538, 95950), (950, 54338), (1010, 51110), (1076, 47975), (1345, 38380), (1900, 27169), (1919, 26900), (2020, 25555), (2525, 20444), (2690, 19190), (3838, 13450), (5050, 10222), (5111, 10100), (5380, 9595), (6725, 7676)]