391667320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{80923}}^1$

素因数の和:80956

約数の個数: 48

約数和(自身を含む): 968660280

約数和(自身を除く): 576992960

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, 80923, 161846, 323692, 404615, 647384, 809230, 890153, 1618460, 1780306, 3236920, 3560612, 4450765, 7121224, 8901530, 9791683, 17803060, 19583366, 35606120, 39166732, 48958415, 78333464, 97916830, 195833660, 391667320]

約数ペア:

[(1, 391667320), (2, 195833660), (4, 97916830), (5, 78333464), (8, 48958415), (10, 39166732), (11, 35606120), (20, 19583366), (22, 17803060), (40, 9791683), (44, 8901530), (55, 7121224), (88, 4450765), (110, 3560612), (121, 3236920), (220, 1780306), (242, 1618460), (440, 890153), (484, 809230), (605, 647384), (968, 404615), (1210, 323692), (2420, 161846), (4840, 80923)]