19616800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 37379552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 113, 124, 140, 155, 160, 175, 200, 217, 224, 226, 248, 280, 310, 350, 400, 434, 452, 496, 560, 565, 620, 700, 775, 791, 800, 868, 904, 992, 1085, 1120, 1130, 1240, 1400, 1550, 1582, 1736, 1808, 2170, 2260, 2480, 2800, 2825, 3100, 3164, 3472, 3503, 3616, 3955, 4340, 4520, 4960, 5425, 5600, 5650, 6200, 6328, 6944, 7006, 7910, 8680, 9040, 10850, 11300, 12400, 12656, 14012, 15820, 17360, 17515, 18080, 19775, 21700, 22600, 24521, 24800, 25312, 28024, 31640, 34720, 35030, 39550, 43400, 45200, 49042, 56048, 63280, 70060, 79100, 86800, 87575, 90400, 98084, 112096, 122605, 126560, 140120, 158200, 173600, 175150, 196168, 245210, 280240, 316400, 350300, 392336, 490420, 560480, 613025, 632800, 700600, 784672, 980840, 1226050, 1401200, 1961680, 2452100, 2802400, 3923360, 4904200, 9808400, 19616800]

約数ペア:

[(1, 19616800), (2, 9808400), (4, 4904200), (5, 3923360), (7, 2802400), (8, 2452100), (10, 1961680), (14, 1401200), (16, 1226050), (20, 980840), (25, 784672), (28, 700600), (31, 632800), (32, 613025), (35, 560480), (40, 490420), (50, 392336), (56, 350300), (62, 316400), (70, 280240), (80, 245210), (100, 196168), (112, 175150), (113, 173600), (124, 158200), (140, 140120), (155, 126560), (160, 122605), (175, 112096), (200, 98084), (217, 90400), (224, 87575), (226, 86800), (248, 79100), (280, 70060), (310, 63280), (350, 56048), (400, 49042), (434, 45200), (452, 43400), (496, 39550), (560, 35030), (565, 34720), (620, 31640), (700, 28024), (775, 25312), (791, 24800), (800, 24521), (868, 22600), (904, 21700), (992, 19775), (1085, 18080), (1120, 17515), (1130, 17360), (1240, 15820), (1400, 14012), (1550, 12656), (1582, 12400), (1736, 11300), (1808, 10850), (2170, 9040), (2260, 8680), (2480, 7910), (2800, 7006), (2825, 6944), (3100, 6328), (3164, 6200), (3472, 5650), (3503, 5600), (3616, 5425), (3955, 4960), (4340, 4520)]