494660480

素因数分解:

$2^7\times 5^1\times {\mathrm{772907}}^1$

素因数の和:772926

約数の個数: 32

約数和(自身を含む): 1182549240

約数和(自身を除く): 687888760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 772907, 1545814, 3091628, 3864535, 6183256, 7729070, 12366512, 15458140, 24733024, 30916280, 49466048, 61832560, 98932096, 123665120, 247330240, 494660480]

約数ペア:

[(1, 494660480), (2, 247330240), (4, 123665120), (5, 98932096), (8, 61832560), (10, 49466048), (16, 30916280), (20, 24733024), (32, 15458140), (40, 12366512), (64, 7729070), (80, 6183256), (128, 3864535), (160, 3091628), (320, 1545814), (640, 772907)]