4921700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 12499200

約数和(自身を除く): 7577500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 89, 100, 140, 158, 175, 178, 316, 350, 356, 395, 445, 553, 623, 700, 790, 890, 1106, 1246, 1580, 1780, 1975, 2212, 2225, 2492, 2765, 3115, 3950, 4450, 5530, 6230, 7031, 7900, 8900, 11060, 12460, 13825, 14062, 15575, 27650, 28124, 31150, 35155, 49217, 55300, 62300, 70310, 98434, 140620, 175775, 196868, 246085, 351550, 492170, 703100, 984340, 1230425, 2460850, 4921700]

約数ペア:

[(1, 4921700), (2, 2460850), (4, 1230425), (5, 984340), (7, 703100), (10, 492170), (14, 351550), (20, 246085), (25, 196868), (28, 175775), (35, 140620), (50, 98434), (70, 70310), (79, 62300), (89, 55300), (100, 49217), (140, 35155), (158, 31150), (175, 28124), (178, 27650), (316, 15575), (350, 14062), (356, 13825), (395, 12460), (445, 11060), (553, 8900), (623, 7900), (700, 7031), (790, 6230), (890, 5530), (1106, 4450), (1246, 3950), (1580, 3115), (1780, 2765), (1975, 2492), (2212, 2225)]