201128840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1381}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 495529920

約数和(自身を除く): 294401080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1324, 1381, 1655, 2648, 2762, 3310, 3641, 5524, 6620, 6905, 7282, 11048, 13240, 13810, 14564, 15191, 18205, 27620, 29128, 30382, 36410, 55240, 60764, 72820, 75955, 121528, 145640, 151910, 303820, 457111, 607640, 914222, 1828444, 2285555, 3656888, 4571110, 5028221, 9142220, 10056442, 18284440, 20112884, 25141105, 40225768, 50282210, 100564420, 201128840]

約数ペア:

[(1, 201128840), (2, 100564420), (4, 50282210), (5, 40225768), (8, 25141105), (10, 20112884), (11, 18284440), (20, 10056442), (22, 9142220), (40, 5028221), (44, 4571110), (55, 3656888), (88, 2285555), (110, 1828444), (220, 914222), (331, 607640), (440, 457111), (662, 303820), (1324, 151910), (1381, 145640), (1655, 121528), (2648, 75955), (2762, 72820), (3310, 60764), (3641, 55240), (5524, 36410), (6620, 30382), (6905, 29128), (7282, 27620), (11048, 18205), (13240, 15191), (13810, 14564)]