870827320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179923}}^1$

素因数の和:179956

約数の個数: 48

約数和(自身を含む): 2153690280

約数和(自身を除く): 1282862960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 179923, 359846, 719692, 899615, 1439384, 1799230, 1979153, 3598460, 3958306, 7196920, 7916612, 9895765, 15833224, 19791530, 21770683, 39583060, 43541366, 79166120, 87082732, 108853415, 174165464, 217706830, 435413660, 870827320]

約数ペア:

[(1, 870827320), (2, 435413660), (4, 217706830), (5, 174165464), (8, 108853415), (10, 87082732), (11, 79166120), (20, 43541366), (22, 39583060), (40, 21770683), (44, 19791530), (55, 15833224), (88, 9895765), (110, 7916612), (121, 7196920), (220, 3958306), (242, 3598460), (440, 1979153), (484, 1799230), (605, 1439384), (968, 899615), (1210, 719692), (2420, 359846), (4840, 179923)]