28134400

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 132

約数和(自身を含む): 80209648

約数和(自身を除く): 52075248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 157, 160, 175, 200, 224, 256, 280, 314, 320, 350, 400, 448, 512, 560, 628, 640, 700, 785, 800, 896, 1024, 1099, 1120, 1256, 1280, 1400, 1570, 1600, 1792, 2198, 2240, 2512, 2560, 2800, 3140, 3200, 3584, 3925, 4396, 4480, 5024, 5120, 5495, 5600, 6280, 6400, 7168, 7850, 8792, 8960, 10048, 10990, 11200, 12560, 12800, 15700, 17584, 17920, 20096, 21980, 22400, 25120, 25600, 27475, 31400, 35168, 35840, 40192, 43960, 44800, 50240, 54950, 62800, 70336, 80384, 87920, 89600, 100480, 109900, 125600, 140672, 160768, 175840, 179200, 200960, 219800, 251200, 281344, 351680, 401920, 439600, 502400, 562688, 703360, 803840, 879200, 1004800, 1125376, 1406720, 1758400, 2009600, 2813440, 3516800, 4019200, 5626880, 7033600, 14067200, 28134400]

約数ペア:

[(1, 28134400), (2, 14067200), (4, 7033600), (5, 5626880), (7, 4019200), (8, 3516800), (10, 2813440), (14, 2009600), (16, 1758400), (20, 1406720), (25, 1125376), (28, 1004800), (32, 879200), (35, 803840), (40, 703360), (50, 562688), (56, 502400), (64, 439600), (70, 401920), (80, 351680), (100, 281344), (112, 251200), (128, 219800), (140, 200960), (157, 179200), (160, 175840), (175, 160768), (200, 140672), (224, 125600), (256, 109900), (280, 100480), (314, 89600), (320, 87920), (350, 80384), (400, 70336), (448, 62800), (512, 54950), (560, 50240), (628, 44800), (640, 43960), (700, 40192), (785, 35840), (800, 35168), (896, 31400), (1024, 27475), (1099, 25600), (1120, 25120), (1256, 22400), (1280, 21980), (1400, 20096), (1570, 17920), (1600, 17584), (1792, 15700), (2198, 12800), (2240, 12560), (2512, 11200), (2560, 10990), (2800, 10048), (3140, 8960), (3200, 8792), (3584, 7850), (3925, 7168), (4396, 6400), (4480, 6280), (5024, 5600), (5120, 5495)]