84911380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 188496000

約数和(自身を除く): 103584620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 509, 878, 1018, 1756, 2036, 2195, 2545, 4390, 5090, 8341, 8780, 9671, 10180, 16682, 19342, 33364, 38684, 41705, 48355, 83410, 96710, 166820, 193420, 223451, 446902, 893804, 1117255, 2234510, 4245569, 4469020, 8491138, 16982276, 21227845, 42455690, 84911380]

約数ペア:

[(1, 84911380), (2, 42455690), (4, 21227845), (5, 16982276), (10, 8491138), (19, 4469020), (20, 4245569), (38, 2234510), (76, 1117255), (95, 893804), (190, 446902), (380, 223451), (439, 193420), (509, 166820), (878, 96710), (1018, 83410), (1756, 48355), (2036, 41705), (2195, 38684), (2545, 33364), (4390, 19342), (5090, 16682), (8341, 10180), (8780, 9671)]