18516400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 53969760

約数和(自身を除く): 35453360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 170, 175, 200, 238, 272, 280, 340, 350, 389, 400, 425, 476, 560, 595, 680, 700, 778, 850, 952, 1190, 1360, 1400, 1556, 1700, 1904, 1945, 2380, 2723, 2800, 2975, 3112, 3400, 3890, 4760, 5446, 5950, 6224, 6613, 6800, 7780, 9520, 9725, 10892, 11900, 13226, 13615, 15560, 19450, 21784, 23800, 26452, 27230, 31120, 33065, 38900, 43568, 46291, 47600, 52904, 54460, 66130, 68075, 77800, 92582, 105808, 108920, 132260, 136150, 155600, 165325, 185164, 217840, 231455, 264520, 272300, 330650, 370328, 462910, 529040, 544600, 661300, 740656, 925820, 1089200, 1157275, 1322600, 1851640, 2314550, 2645200, 3703280, 4629100, 9258200, 18516400]

約数ペア:

[(1, 18516400), (2, 9258200), (4, 4629100), (5, 3703280), (7, 2645200), (8, 2314550), (10, 1851640), (14, 1322600), (16, 1157275), (17, 1089200), (20, 925820), (25, 740656), (28, 661300), (34, 544600), (35, 529040), (40, 462910), (50, 370328), (56, 330650), (68, 272300), (70, 264520), (80, 231455), (85, 217840), (100, 185164), (112, 165325), (119, 155600), (136, 136150), (140, 132260), (170, 108920), (175, 105808), (200, 92582), (238, 77800), (272, 68075), (280, 66130), (340, 54460), (350, 52904), (389, 47600), (400, 46291), (425, 43568), (476, 38900), (560, 33065), (595, 31120), (680, 27230), (700, 26452), (778, 23800), (850, 21784), (952, 19450), (1190, 15560), (1360, 13615), (1400, 13226), (1556, 11900), (1700, 10892), (1904, 9725), (1945, 9520), (2380, 7780), (2723, 6800), (2800, 6613), (2975, 6224), (3112, 5950), (3400, 5446), (3890, 4760)]