42981800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11311}}^1$

素因数の和:11346

約数の個数: 48

約数和(自身を含む): 105201600

約数和(自身を除く): 62219800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 11311, 22622, 45244, 56555, 90488, 113110, 214909, 226220, 282775, 429818, 452440, 565550, 859636, 1074545, 1131100, 1719272, 2149090, 2262200, 4298180, 5372725, 8596360, 10745450, 21490900, 42981800]

約数ペア:

[(1, 42981800), (2, 21490900), (4, 10745450), (5, 8596360), (8, 5372725), (10, 4298180), (19, 2262200), (20, 2149090), (25, 1719272), (38, 1131100), (40, 1074545), (50, 859636), (76, 565550), (95, 452440), (100, 429818), (152, 282775), (190, 226220), (200, 214909), (380, 113110), (475, 90488), (760, 56555), (950, 45244), (1900, 22622), (3800, 11311)]