2044400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 60

約数和(自身を含む): 5189400

約数和(自身を除く): 3145000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 269, 304, 380, 400, 475, 538, 760, 950, 1076, 1345, 1520, 1900, 2152, 2690, 3800, 4304, 5111, 5380, 6725, 7600, 10222, 10760, 13450, 20444, 21520, 25555, 26900, 40888, 51110, 53800, 81776, 102220, 107600, 127775, 204440, 255550, 408880, 511100, 1022200, 2044400]

約数ペア:

[(1, 2044400), (2, 1022200), (4, 511100), (5, 408880), (8, 255550), (10, 204440), (16, 127775), (19, 107600), (20, 102220), (25, 81776), (38, 53800), (40, 51110), (50, 40888), (76, 26900), (80, 25555), (95, 21520), (100, 20444), (152, 13450), (190, 10760), (200, 10222), (269, 7600), (304, 6725), (380, 5380), (400, 5111), (475, 4304), (538, 3800), (760, 2690), (950, 2152), (1076, 1900), (1345, 1520)]