28313600

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 81244800

約数和(自身を除く): 52931200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 100, 112, 128, 140, 158, 160, 175, 200, 224, 256, 280, 316, 320, 350, 395, 400, 448, 512, 553, 560, 632, 640, 700, 790, 800, 896, 1024, 1106, 1120, 1264, 1280, 1400, 1580, 1600, 1792, 1975, 2048, 2212, 2240, 2528, 2560, 2765, 2800, 3160, 3200, 3584, 3950, 4424, 4480, 5056, 5120, 5530, 5600, 6320, 6400, 7168, 7900, 8848, 8960, 10112, 10240, 11060, 11200, 12640, 12800, 13825, 14336, 15800, 17696, 17920, 20224, 22120, 22400, 25280, 25600, 27650, 31600, 35392, 35840, 40448, 44240, 44800, 50560, 51200, 55300, 63200, 70784, 71680, 80896, 88480, 89600, 101120, 110600, 126400, 141568, 161792, 176960, 179200, 202240, 221200, 252800, 283136, 353920, 358400, 404480, 442400, 505600, 566272, 707840, 808960, 884800, 1011200, 1132544, 1415680, 1769600, 2022400, 2831360, 3539200, 4044800, 5662720, 7078400, 14156800, 28313600]

約数ペア:

[(1, 28313600), (2, 14156800), (4, 7078400), (5, 5662720), (7, 4044800), (8, 3539200), (10, 2831360), (14, 2022400), (16, 1769600), (20, 1415680), (25, 1132544), (28, 1011200), (32, 884800), (35, 808960), (40, 707840), (50, 566272), (56, 505600), (64, 442400), (70, 404480), (79, 358400), (80, 353920), (100, 283136), (112, 252800), (128, 221200), (140, 202240), (158, 179200), (160, 176960), (175, 161792), (200, 141568), (224, 126400), (256, 110600), (280, 101120), (316, 89600), (320, 88480), (350, 80896), (395, 71680), (400, 70784), (448, 63200), (512, 55300), (553, 51200), (560, 50560), (632, 44800), (640, 44240), (700, 40448), (790, 35840), (800, 35392), (896, 31600), (1024, 27650), (1106, 25600), (1120, 25280), (1264, 22400), (1280, 22120), (1400, 20224), (1580, 17920), (1600, 17696), (1792, 15800), (1975, 14336), (2048, 13825), (2212, 12800), (2240, 12640), (2528, 11200), (2560, 11060), (2765, 10240), (2800, 10112), (3160, 8960), (3200, 8848), (3584, 7900), (3950, 7168), (4424, 6400), (4480, 6320), (5056, 5600), (5120, 5530)]