2149180900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{2137}}^1$

素因数の和:2353

約数の個数: 72

約数和(自身を含む): 4760085960

約数和(自身を除く): 2610905060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 113, 178, 226, 356, 445, 452, 565, 890, 1130, 1780, 2137, 2225, 2260, 2825, 4274, 4450, 5650, 8548, 8900, 10057, 10685, 11300, 20114, 21370, 40228, 42740, 50285, 53425, 100570, 106850, 190193, 201140, 213700, 241481, 251425, 380386, 482962, 502850, 760772, 950965, 965924, 1005700, 1207405, 1901930, 2414810, 3803860, 4754825, 4829620, 6037025, 9509650, 12074050, 19019300, 21491809, 24148100, 42983618, 85967236, 107459045, 214918090, 429836180, 537295225, 1074590450, 2149180900]

約数ペア:

[(1, 2149180900), (2, 1074590450), (4, 537295225), (5, 429836180), (10, 214918090), (20, 107459045), (25, 85967236), (50, 42983618), (89, 24148100), (100, 21491809), (113, 19019300), (178, 12074050), (226, 9509650), (356, 6037025), (445, 4829620), (452, 4754825), (565, 3803860), (890, 2414810), (1130, 1901930), (1780, 1207405), (2137, 1005700), (2225, 965924), (2260, 950965), (2825, 760772), (4274, 502850), (4450, 482962), (5650, 380386), (8548, 251425), (8900, 241481), (10057, 213700), (10685, 201140), (11300, 190193), (20114, 106850), (21370, 100570), (40228, 53425), (42740, 50285)]