221004800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 132

約数和(自身を含む): 559690740

約数和(自身を除く): 338685940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 97, 100, 128, 160, 178, 194, 200, 256, 320, 356, 388, 400, 445, 485, 512, 640, 712, 776, 800, 890, 970, 1024, 1280, 1424, 1552, 1600, 1780, 1940, 2225, 2425, 2560, 2848, 3104, 3200, 3560, 3880, 4450, 4850, 5120, 5696, 6208, 6400, 7120, 7760, 8633, 8900, 9700, 11392, 12416, 12800, 14240, 15520, 17266, 17800, 19400, 22784, 24832, 25600, 28480, 31040, 34532, 35600, 38800, 43165, 45568, 49664, 56960, 62080, 69064, 71200, 77600, 86330, 91136, 99328, 113920, 124160, 138128, 142400, 155200, 172660, 215825, 227840, 248320, 276256, 284800, 310400, 345320, 431650, 455680, 496640, 552512, 569600, 620800, 690640, 863300, 1105024, 1139200, 1241600, 1381280, 1726600, 2210048, 2278400, 2483200, 2762560, 3453200, 4420096, 5525120, 6906400, 8840192, 11050240, 13812800, 22100480, 27625600, 44200960, 55251200, 110502400, 221004800]

約数ペア:

[(1, 221004800), (2, 110502400), (4, 55251200), (5, 44200960), (8, 27625600), (10, 22100480), (16, 13812800), (20, 11050240), (25, 8840192), (32, 6906400), (40, 5525120), (50, 4420096), (64, 3453200), (80, 2762560), (89, 2483200), (97, 2278400), (100, 2210048), (128, 1726600), (160, 1381280), (178, 1241600), (194, 1139200), (200, 1105024), (256, 863300), (320, 690640), (356, 620800), (388, 569600), (400, 552512), (445, 496640), (485, 455680), (512, 431650), (640, 345320), (712, 310400), (776, 284800), (800, 276256), (890, 248320), (970, 227840), (1024, 215825), (1280, 172660), (1424, 155200), (1552, 142400), (1600, 138128), (1780, 124160), (1940, 113920), (2225, 99328), (2425, 91136), (2560, 86330), (2848, 77600), (3104, 71200), (3200, 69064), (3560, 62080), (3880, 56960), (4450, 49664), (4850, 45568), (5120, 43165), (5696, 38800), (6208, 35600), (6400, 34532), (7120, 31040), (7760, 28480), (8633, 25600), (8900, 24832), (9700, 22784), (11392, 19400), (12416, 17800), (12800, 17266), (14240, 15520)]