28114240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 168

約数和(自身を含む): 85478112

約数和(自身を除く): 57363872

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 163, 176, 196, 220, 224, 245, 280, 308, 320, 326, 352, 385, 392, 440, 448, 490, 539, 560, 616, 652, 704, 770, 784, 815, 880, 980, 1078, 1120, 1141, 1232, 1304, 1540, 1568, 1630, 1760, 1793, 1960, 2156, 2240, 2282, 2464, 2608, 2695, 3080, 3136, 3260, 3520, 3586, 3920, 4312, 4564, 4928, 5216, 5390, 5705, 6160, 6520, 7172, 7840, 7987, 8624, 8965, 9128, 10432, 10780, 11410, 12320, 12551, 13040, 14344, 15680, 15974, 17248, 17930, 18256, 21560, 22820, 24640, 25102, 26080, 28688, 31948, 34496, 35860, 36512, 39935, 43120, 45640, 50204, 52160, 57376, 62755, 63896, 71720, 73024, 79870, 86240, 87857, 91280, 100408, 114752, 125510, 127792, 143440, 159740, 172480, 175714, 182560, 200816, 251020, 255584, 286880, 319480, 351428, 365120, 401632, 439285, 502040, 511168, 573760, 638960, 702856, 803264, 878570, 1004080, 1277920, 1405712, 1757140, 2008160, 2555840, 2811424, 3514280, 4016320, 5622848, 7028560, 14057120, 28114240]

約数ペア:

[(1, 28114240), (2, 14057120), (4, 7028560), (5, 5622848), (7, 4016320), (8, 3514280), (10, 2811424), (11, 2555840), (14, 2008160), (16, 1757140), (20, 1405712), (22, 1277920), (28, 1004080), (32, 878570), (35, 803264), (40, 702856), (44, 638960), (49, 573760), (55, 511168), (56, 502040), (64, 439285), (70, 401632), (77, 365120), (80, 351428), (88, 319480), (98, 286880), (110, 255584), (112, 251020), (140, 200816), (154, 182560), (160, 175714), (163, 172480), (176, 159740), (196, 143440), (220, 127792), (224, 125510), (245, 114752), (280, 100408), (308, 91280), (320, 87857), (326, 86240), (352, 79870), (385, 73024), (392, 71720), (440, 63896), (448, 62755), (490, 57376), (539, 52160), (560, 50204), (616, 45640), (652, 43120), (704, 39935), (770, 36512), (784, 35860), (815, 34496), (880, 31948), (980, 28688), (1078, 26080), (1120, 25102), (1141, 24640), (1232, 22820), (1304, 21560), (1540, 18256), (1568, 17930), (1630, 17248), (1760, 15974), (1793, 15680), (1960, 14344), (2156, 13040), (2240, 12551), (2282, 12320), (2464, 11410), (2608, 10780), (2695, 10432), (3080, 9128), (3136, 8965), (3260, 8624), (3520, 7987), (3586, 7840), (3920, 7172), (4312, 6520), (4564, 6160), (4928, 5705), (5216, 5390)]