28305900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{4493}}^1$

素因数の和:4520

約数の個数: 108

約数和(自身を含む): 101420592

約数和(自身を除く): 73114692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 4493, 6300, 8986, 13479, 17972, 22465, 26958, 31451, 40437, 44930, 53916, 62902, 67395, 80874, 89860, 94353, 112325, 125804, 134790, 157255, 161748, 188706, 202185, 224650, 269580, 283059, 314510, 336975, 377412, 404370, 449300, 471765, 566118, 629020, 673950, 786275, 808740, 943530, 1010925, 1132236, 1347900, 1415295, 1572550, 1887060, 2021850, 2358825, 2830590, 3145100, 4043700, 4717650, 5661180, 7076475, 9435300, 14152950, 28305900]

約数ペア:

[(1, 28305900), (2, 14152950), (3, 9435300), (4, 7076475), (5, 5661180), (6, 4717650), (7, 4043700), (9, 3145100), (10, 2830590), (12, 2358825), (14, 2021850), (15, 1887060), (18, 1572550), (20, 1415295), (21, 1347900), (25, 1132236), (28, 1010925), (30, 943530), (35, 808740), (36, 786275), (42, 673950), (45, 629020), (50, 566118), (60, 471765), (63, 449300), (70, 404370), (75, 377412), (84, 336975), (90, 314510), (100, 283059), (105, 269580), (126, 224650), (140, 202185), (150, 188706), (175, 161748), (180, 157255), (210, 134790), (225, 125804), (252, 112325), (300, 94353), (315, 89860), (350, 80874), (420, 67395), (450, 62902), (525, 53916), (630, 44930), (700, 40437), (900, 31451), (1050, 26958), (1260, 22465), (1575, 17972), (2100, 13479), (3150, 8986), (4493, 6300)]