220553600

素因数分解:

$2^7\times 5^2\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 549555600

約数和(自身を除く): 329002000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 157, 160, 200, 314, 320, 400, 439, 628, 640, 785, 800, 878, 1256, 1570, 1600, 1756, 2195, 2512, 3140, 3200, 3512, 3925, 4390, 5024, 6280, 7024, 7850, 8780, 10048, 10975, 12560, 14048, 15700, 17560, 20096, 21950, 25120, 28096, 31400, 35120, 43900, 50240, 56192, 62800, 68923, 70240, 87800, 100480, 125600, 137846, 140480, 175600, 251200, 275692, 280960, 344615, 351200, 502400, 551384, 689230, 702400, 1102768, 1378460, 1404800, 1723075, 2205536, 2756920, 3446150, 4411072, 5513840, 6892300, 8822144, 11027680, 13784600, 22055360, 27569200, 44110720, 55138400, 110276800, 220553600]

約数ペア:

[(1, 220553600), (2, 110276800), (4, 55138400), (5, 44110720), (8, 27569200), (10, 22055360), (16, 13784600), (20, 11027680), (25, 8822144), (32, 6892300), (40, 5513840), (50, 4411072), (64, 3446150), (80, 2756920), (100, 2205536), (128, 1723075), (157, 1404800), (160, 1378460), (200, 1102768), (314, 702400), (320, 689230), (400, 551384), (439, 502400), (628, 351200), (640, 344615), (785, 280960), (800, 275692), (878, 251200), (1256, 175600), (1570, 140480), (1600, 137846), (1756, 125600), (2195, 100480), (2512, 87800), (3140, 70240), (3200, 68923), (3512, 62800), (3925, 56192), (4390, 50240), (5024, 43900), (6280, 35120), (7024, 31400), (7850, 28096), (8780, 25120), (10048, 21950), (10975, 20096), (12560, 17560), (14048, 15700)]