71656420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8803}}^1$

素因数の和:8860

約数の個数: 48

約数和(自身を含む): 168614208

約数和(自身を除く): 96957788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 8803, 17606, 35212, 44015, 88030, 96833, 176060, 193666, 325711, 387332, 484165, 651422, 968330, 1302844, 1628555, 1936660, 3257110, 3582821, 6514220, 7165642, 14331284, 17914105, 35828210, 71656420]

約数ペア:

[(1, 71656420), (2, 35828210), (4, 17914105), (5, 14331284), (10, 7165642), (11, 6514220), (20, 3582821), (22, 3257110), (37, 1936660), (44, 1628555), (55, 1302844), (74, 968330), (110, 651422), (148, 484165), (185, 387332), (220, 325711), (370, 193666), (407, 176060), (740, 96833), (814, 88030), (1628, 44015), (2035, 35212), (4070, 17606), (8140, 8803)]