280191200

素因数分解:

$2^5\times 5^2\times {\mathrm{577}}^1\times {\mathrm{607}}^1$

素因数の和:1204

約数の個数: 72

約数和(自身を含む): 686331072

約数和(自身を除く): 406139872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 577, 607, 800, 1154, 1214, 2308, 2428, 2885, 3035, 4616, 4856, 5770, 6070, 9232, 9712, 11540, 12140, 14425, 15175, 18464, 19424, 23080, 24280, 28850, 30350, 46160, 48560, 57700, 60700, 92320, 97120, 115400, 121400, 230800, 242800, 350239, 461600, 485600, 700478, 1400956, 1751195, 2801912, 3502390, 5603824, 7004780, 8755975, 11207648, 14009560, 17511950, 28019120, 35023900, 56038240, 70047800, 140095600, 280191200]

約数ペア:

[(1, 280191200), (2, 140095600), (4, 70047800), (5, 56038240), (8, 35023900), (10, 28019120), (16, 17511950), (20, 14009560), (25, 11207648), (32, 8755975), (40, 7004780), (50, 5603824), (80, 3502390), (100, 2801912), (160, 1751195), (200, 1400956), (400, 700478), (577, 485600), (607, 461600), (800, 350239), (1154, 242800), (1214, 230800), (2308, 121400), (2428, 115400), (2885, 97120), (3035, 92320), (4616, 60700), (4856, 57700), (5770, 48560), (6070, 46160), (9232, 30350), (9712, 28850), (11540, 24280), (12140, 23080), (14425, 19424), (15175, 18464)]