218224880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143569}}^1$

素因数の和:143601

約数の個数: 40

約数和(自身を含む): 534080400

約数和(自身を除く): 315855520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 143569, 287138, 574276, 717845, 1148552, 1435690, 2297104, 2727811, 2871380, 5455622, 5742760, 10911244, 11485520, 13639055, 21822488, 27278110, 43644976, 54556220, 109112440, 218224880]

約数ペア:

[(1, 218224880), (2, 109112440), (4, 54556220), (5, 43644976), (8, 27278110), (10, 21822488), (16, 13639055), (19, 11485520), (20, 10911244), (38, 5742760), (40, 5455622), (76, 2871380), (80, 2727811), (95, 2297104), (152, 1435690), (190, 1148552), (304, 717845), (380, 574276), (760, 287138), (1520, 143569)]