28067200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{179}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 81105300

約数和(自身を除く): 53038100

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, 128, 140, 160, 175, 179, 196, 200, 224, 245, 280, 320, 350, 358, 392, 400, 448, 490, 560, 640, 700, 716, 784, 800, 895, 896, 980, 1120, 1225, 1253, 1400, 1432, 1568, 1600, 1790, 1960, 2240, 2450, 2506, 2800, 2864, 3136, 3200, 3580, 3920, 4475, 4480, 4900, 5012, 5600, 5728, 6265, 6272, 7160, 7840, 8771, 8950, 9800, 10024, 11200, 11456, 12530, 14320, 15680, 17542, 17900, 19600, 20048, 22400, 22912, 25060, 28640, 31325, 31360, 35084, 35800, 39200, 40096, 43855, 50120, 57280, 62650, 70168, 71600, 78400, 80192, 87710, 100240, 114560, 125300, 140336, 143200, 156800, 160384, 175420, 200480, 219275, 250600, 280672, 286400, 350840, 400960, 438550, 501200, 561344, 572800, 701680, 801920, 877100, 1002400, 1122688, 1403360, 1754200, 2004800, 2806720, 3508400, 4009600, 5613440, 7016800, 14033600, 28067200]

約数ペア:

[(1, 28067200), (2, 14033600), (4, 7016800), (5, 5613440), (7, 4009600), (8, 3508400), (10, 2806720), (14, 2004800), (16, 1754200), (20, 1403360), (25, 1122688), (28, 1002400), (32, 877100), (35, 801920), (40, 701680), (49, 572800), (50, 561344), (56, 501200), (64, 438550), (70, 400960), (80, 350840), (98, 286400), (100, 280672), (112, 250600), (128, 219275), (140, 200480), (160, 175420), (175, 160384), (179, 156800), (196, 143200), (200, 140336), (224, 125300), (245, 114560), (280, 100240), (320, 87710), (350, 80192), (358, 78400), (392, 71600), (400, 70168), (448, 62650), (490, 57280), (560, 50120), (640, 43855), (700, 40096), (716, 39200), (784, 35800), (800, 35084), (895, 31360), (896, 31325), (980, 28640), (1120, 25060), (1225, 22912), (1253, 22400), (1400, 20048), (1432, 19600), (1568, 17900), (1600, 17542), (1790, 15680), (1960, 14320), (2240, 12530), (2450, 11456), (2506, 11200), (2800, 10024), (2864, 9800), (3136, 8950), (3200, 8771), (3580, 7840), (3920, 7160), (4475, 6272), (4480, 6265), (4900, 5728), (5012, 5600)]