200428000

素因数分解:

$2^5\times 5^3\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 498869280

約数和(自身を除く): 298441280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 125, 160, 178, 200, 250, 356, 400, 445, 500, 563, 712, 800, 890, 1000, 1126, 1424, 1780, 2000, 2225, 2252, 2815, 2848, 3560, 4000, 4450, 4504, 5630, 7120, 8900, 9008, 11125, 11260, 14075, 14240, 17800, 18016, 22250, 22520, 28150, 35600, 44500, 45040, 50107, 56300, 70375, 71200, 89000, 90080, 100214, 112600, 140750, 178000, 200428, 225200, 250535, 281500, 356000, 400856, 450400, 501070, 563000, 801712, 1002140, 1126000, 1252675, 1603424, 2004280, 2252000, 2505350, 4008560, 5010700, 6263375, 8017120, 10021400, 12526750, 20042800, 25053500, 40085600, 50107000, 100214000, 200428000]

約数ペア:

[(1, 200428000), (2, 100214000), (4, 50107000), (5, 40085600), (8, 25053500), (10, 20042800), (16, 12526750), (20, 10021400), (25, 8017120), (32, 6263375), (40, 5010700), (50, 4008560), (80, 2505350), (89, 2252000), (100, 2004280), (125, 1603424), (160, 1252675), (178, 1126000), (200, 1002140), (250, 801712), (356, 563000), (400, 501070), (445, 450400), (500, 400856), (563, 356000), (712, 281500), (800, 250535), (890, 225200), (1000, 200428), (1126, 178000), (1424, 140750), (1780, 112600), (2000, 100214), (2225, 90080), (2252, 89000), (2815, 71200), (2848, 70375), (3560, 56300), (4000, 50107), (4450, 45040), (4504, 44500), (5630, 35600), (7120, 28150), (8900, 22520), (9008, 22250), (11125, 18016), (11260, 17800), (14075, 14240)]