18944800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 37301600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 160, 170, 175, 199, 200, 224, 238, 272, 280, 340, 350, 398, 400, 425, 476, 544, 560, 595, 680, 700, 796, 800, 850, 952, 995, 1120, 1190, 1360, 1393, 1400, 1592, 1700, 1904, 1990, 2380, 2720, 2786, 2800, 2975, 3184, 3383, 3400, 3808, 3980, 4760, 4975, 5572, 5600, 5950, 6368, 6766, 6800, 6965, 7960, 9520, 9950, 11144, 11900, 13532, 13600, 13930, 15920, 16915, 19040, 19900, 22288, 23681, 23800, 27064, 27860, 31840, 33830, 34825, 39800, 44576, 47362, 47600, 54128, 55720, 67660, 69650, 79600, 84575, 94724, 95200, 108256, 111440, 118405, 135320, 139300, 159200, 169150, 189448, 222880, 236810, 270640, 278600, 338300, 378896, 473620, 541280, 557200, 592025, 676600, 757792, 947240, 1114400, 1184050, 1353200, 1894480, 2368100, 2706400, 3788960, 4736200, 9472400, 18944800]

約数ペア:

[(1, 18944800), (2, 9472400), (4, 4736200), (5, 3788960), (7, 2706400), (8, 2368100), (10, 1894480), (14, 1353200), (16, 1184050), (17, 1114400), (20, 947240), (25, 757792), (28, 676600), (32, 592025), (34, 557200), (35, 541280), (40, 473620), (50, 378896), (56, 338300), (68, 278600), (70, 270640), (80, 236810), (85, 222880), (100, 189448), (112, 169150), (119, 159200), (136, 139300), (140, 135320), (160, 118405), (170, 111440), (175, 108256), (199, 95200), (200, 94724), (224, 84575), (238, 79600), (272, 69650), (280, 67660), (340, 55720), (350, 54128), (398, 47600), (400, 47362), (425, 44576), (476, 39800), (544, 34825), (560, 33830), (595, 31840), (680, 27860), (700, 27064), (796, 23800), (800, 23681), (850, 22288), (952, 19900), (995, 19040), (1120, 16915), (1190, 15920), (1360, 13930), (1393, 13600), (1400, 13532), (1592, 11900), (1700, 11144), (1904, 9950), (1990, 9520), (2380, 7960), (2720, 6965), (2786, 6800), (2800, 6766), (2975, 6368), (3184, 5950), (3383, 5600), (3400, 5572), (3808, 4975), (3980, 4760)]