19407200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1464

約数の個数: 72

約数和(自身を含む): 50199912

約数和(自身を除く): 30792712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1427, 1700, 2720, 2854, 3400, 5708, 6800, 7135, 11416, 13600, 14270, 22832, 24259, 28540, 35675, 45664, 48518, 57080, 71350, 97036, 114160, 121295, 142700, 194072, 228320, 242590, 285400, 388144, 485180, 570800, 606475, 776288, 970360, 1141600, 1212950, 1940720, 2425900, 3881440, 4851800, 9703600, 19407200]

約数ペア:

[(1, 19407200), (2, 9703600), (4, 4851800), (5, 3881440), (8, 2425900), (10, 1940720), (16, 1212950), (17, 1141600), (20, 970360), (25, 776288), (32, 606475), (34, 570800), (40, 485180), (50, 388144), (68, 285400), (80, 242590), (85, 228320), (100, 194072), (136, 142700), (160, 121295), (170, 114160), (200, 97036), (272, 71350), (340, 57080), (400, 48518), (425, 45664), (544, 35675), (680, 28540), (800, 24259), (850, 22832), (1360, 14270), (1427, 13600), (1700, 11416), (2720, 7135), (2854, 6800), (3400, 5708)]