380881880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{130439}}^1$

素因数の和:130523

約数の個数: 32

約数和(自身を含む): 868730400

約数和(自身を除く): 487848520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 130439, 260878, 521756, 652195, 1043512, 1304390, 2608780, 5217560, 9522047, 19044094, 38088188, 47610235, 76176376, 95220470, 190440940, 380881880]

約数ペア:

[(1, 380881880), (2, 190440940), (4, 95220470), (5, 76176376), (8, 47610235), (10, 38088188), (20, 19044094), (40, 9522047), (73, 5217560), (146, 2608780), (292, 1304390), (365, 1043512), (584, 652195), (730, 521756), (1460, 260878), (2920, 130439)]