190193000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2247

約数の個数: 64

約数和(自身を含む): 450262800

約数和(自身を除く): 260069800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 445, 500, 712, 890, 1000, 1780, 2137, 2225, 3560, 4274, 4450, 8548, 8900, 10685, 11125, 17096, 17800, 21370, 22250, 42740, 44500, 53425, 85480, 89000, 106850, 190193, 213700, 267125, 380386, 427400, 534250, 760772, 950965, 1068500, 1521544, 1901930, 2137000, 3803860, 4754825, 7607720, 9509650, 19019300, 23774125, 38038600, 47548250, 95096500, 190193000]

約数ペア:

[(1, 190193000), (2, 95096500), (4, 47548250), (5, 38038600), (8, 23774125), (10, 19019300), (20, 9509650), (25, 7607720), (40, 4754825), (50, 3803860), (89, 2137000), (100, 1901930), (125, 1521544), (178, 1068500), (200, 950965), (250, 760772), (356, 534250), (445, 427400), (500, 380386), (712, 267125), (890, 213700), (1000, 190193), (1780, 106850), (2137, 89000), (2225, 85480), (3560, 53425), (4274, 44500), (4450, 42740), (8548, 22250), (8900, 21370), (10685, 17800), (11125, 17096)]