28354400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 108

約数和(自身を含む): 73440612

約数和(自身を除く): 45086212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 67, 80, 92, 100, 115, 134, 160, 184, 200, 230, 268, 335, 368, 400, 460, 529, 536, 575, 670, 736, 800, 920, 1058, 1072, 1150, 1340, 1541, 1675, 1840, 2116, 2144, 2300, 2645, 2680, 3082, 3350, 3680, 4232, 4600, 5290, 5360, 6164, 6700, 7705, 8464, 9200, 10580, 10720, 12328, 13225, 13400, 15410, 16928, 18400, 21160, 24656, 26450, 26800, 30820, 35443, 38525, 42320, 49312, 52900, 53600, 61640, 70886, 77050, 84640, 105800, 123280, 141772, 154100, 177215, 211600, 246560, 283544, 308200, 354430, 423200, 567088, 616400, 708860, 886075, 1134176, 1232800, 1417720, 1772150, 2835440, 3544300, 5670880, 7088600, 14177200, 28354400]

約数ペア:

[(1, 28354400), (2, 14177200), (4, 7088600), (5, 5670880), (8, 3544300), (10, 2835440), (16, 1772150), (20, 1417720), (23, 1232800), (25, 1134176), (32, 886075), (40, 708860), (46, 616400), (50, 567088), (67, 423200), (80, 354430), (92, 308200), (100, 283544), (115, 246560), (134, 211600), (160, 177215), (184, 154100), (200, 141772), (230, 123280), (268, 105800), (335, 84640), (368, 77050), (400, 70886), (460, 61640), (529, 53600), (536, 52900), (575, 49312), (670, 42320), (736, 38525), (800, 35443), (920, 30820), (1058, 26800), (1072, 26450), (1150, 24656), (1340, 21160), (1541, 18400), (1675, 16928), (1840, 15410), (2116, 13400), (2144, 13225), (2300, 12328), (2645, 10720), (2680, 10580), (3082, 9200), (3350, 8464), (3680, 7705), (4232, 6700), (4600, 6164), (5290, 5360)]