77271700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 184363200

約数和(自身を除く): 107091500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 199, 220, 275, 353, 398, 550, 706, 796, 995, 1100, 1412, 1765, 1990, 2189, 3530, 3883, 3980, 4378, 4975, 7060, 7766, 8756, 8825, 9950, 10945, 15532, 17650, 19415, 19900, 21890, 35300, 38830, 43780, 54725, 70247, 77660, 97075, 109450, 140494, 194150, 218900, 280988, 351235, 388300, 702470, 772717, 1404940, 1545434, 1756175, 3090868, 3512350, 3863585, 7024700, 7727170, 15454340, 19317925, 38635850, 77271700]

約数ペア:

[(1, 77271700), (2, 38635850), (4, 19317925), (5, 15454340), (10, 7727170), (11, 7024700), (20, 3863585), (22, 3512350), (25, 3090868), (44, 1756175), (50, 1545434), (55, 1404940), (100, 772717), (110, 702470), (199, 388300), (220, 351235), (275, 280988), (353, 218900), (398, 194150), (550, 140494), (706, 109450), (796, 97075), (995, 77660), (1100, 70247), (1412, 54725), (1765, 43780), (1990, 38830), (2189, 35300), (3530, 21890), (3883, 19900), (3980, 19415), (4378, 17650), (4975, 15532), (7060, 10945), (7766, 9950), (8756, 8825)]