9956800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{127}}^1$

素因数の和:163

約数の個数: 126

約数和(自身を含む): 28724352

約数和(自身を除く): 18767552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 127, 140, 160, 175, 196, 200, 224, 245, 254, 280, 320, 350, 392, 400, 448, 490, 508, 560, 635, 700, 784, 800, 889, 980, 1016, 1120, 1225, 1270, 1400, 1568, 1600, 1778, 1960, 2032, 2240, 2450, 2540, 2800, 3136, 3175, 3556, 3920, 4064, 4445, 4900, 5080, 5600, 6223, 6350, 7112, 7840, 8128, 8890, 9800, 10160, 11200, 12446, 12700, 14224, 15680, 17780, 19600, 20320, 22225, 24892, 25400, 28448, 31115, 35560, 39200, 40640, 44450, 49784, 50800, 56896, 62230, 71120, 78400, 88900, 99568, 101600, 124460, 142240, 155575, 177800, 199136, 203200, 248920, 284480, 311150, 355600, 398272, 497840, 622300, 711200, 995680, 1244600, 1422400, 1991360, 2489200, 4978400, 9956800]

約数ペア:

[(1, 9956800), (2, 4978400), (4, 2489200), (5, 1991360), (7, 1422400), (8, 1244600), (10, 995680), (14, 711200), (16, 622300), (20, 497840), (25, 398272), (28, 355600), (32, 311150), (35, 284480), (40, 248920), (49, 203200), (50, 199136), (56, 177800), (64, 155575), (70, 142240), (80, 124460), (98, 101600), (100, 99568), (112, 88900), (127, 78400), (140, 71120), (160, 62230), (175, 56896), (196, 50800), (200, 49784), (224, 44450), (245, 40640), (254, 39200), (280, 35560), (320, 31115), (350, 28448), (392, 25400), (400, 24892), (448, 22225), (490, 20320), (508, 19600), (560, 17780), (635, 15680), (700, 14224), (784, 12700), (800, 12446), (889, 11200), (980, 10160), (1016, 9800), (1120, 8890), (1225, 8128), (1270, 7840), (1400, 7112), (1568, 6350), (1600, 6223), (1778, 5600), (1960, 5080), (2032, 4900), (2240, 4445), (2450, 4064), (2540, 3920), (2800, 3556), (3136, 3175)]