79864150

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 152467920

約数和(自身を除く): 72603770

約数列:

[1, 2, 5, 10, 25, 50, 89, 131, 137, 178, 262, 274, 445, 655, 685, 890, 1310, 1370, 2225, 3275, 3425, 4450, 6550, 6850, 11659, 12193, 17947, 23318, 24386, 35894, 58295, 60965, 89735, 116590, 121930, 179470, 291475, 304825, 448675, 582950, 609650, 897350, 1597283, 3194566, 7986415, 15972830, 39932075, 79864150]

約数ペア:

[(1, 79864150), (2, 39932075), (5, 15972830), (10, 7986415), (25, 3194566), (50, 1597283), (89, 897350), (131, 609650), (137, 582950), (178, 448675), (262, 304825), (274, 291475), (445, 179470), (655, 121930), (685, 116590), (890, 89735), (1310, 60965), (1370, 58295), (2225, 35894), (3275, 24386), (3425, 23318), (4450, 17947), (6550, 12193), (6850, 11659)]