219799888

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 120

約数和(自身を含む): 547534400

約数和(自身を除く): 327734512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 331, 343, 392, 484, 539, 616, 662, 686, 784, 847, 968, 1078, 1232, 1324, 1372, 1694, 1936, 2156, 2317, 2648, 2744, 3388, 3641, 3773, 4312, 4634, 5296, 5488, 5929, 6776, 7282, 7546, 8624, 9268, 11858, 13552, 14564, 15092, 16219, 18536, 23716, 25487, 29128, 30184, 32438, 37072, 40051, 41503, 47432, 50974, 58256, 60368, 64876, 80102, 83006, 94864, 101948, 113533, 129752, 160204, 166012, 178409, 203896, 227066, 259504, 280357, 320408, 332024, 356818, 407792, 454132, 560714, 640816, 664048, 713636, 908264, 1121428, 1248863, 1427272, 1816528, 1962499, 2242856, 2497726, 2854544, 3924998, 4485712, 4995452, 7849996, 9990904, 13737493, 15699992, 19981808, 27474986, 31399984, 54949972, 109899944, 219799888]

約数ペア:

[(1, 219799888), (2, 109899944), (4, 54949972), (7, 31399984), (8, 27474986), (11, 19981808), (14, 15699992), (16, 13737493), (22, 9990904), (28, 7849996), (44, 4995452), (49, 4485712), (56, 3924998), (77, 2854544), (88, 2497726), (98, 2242856), (112, 1962499), (121, 1816528), (154, 1427272), (176, 1248863), (196, 1121428), (242, 908264), (308, 713636), (331, 664048), (343, 640816), (392, 560714), (484, 454132), (539, 407792), (616, 356818), (662, 332024), (686, 320408), (784, 280357), (847, 259504), (968, 227066), (1078, 203896), (1232, 178409), (1324, 166012), (1372, 160204), (1694, 129752), (1936, 113533), (2156, 101948), (2317, 94864), (2648, 83006), (2744, 80102), (3388, 64876), (3641, 60368), (3773, 58256), (4312, 50974), (4634, 47432), (5296, 41503), (5488, 40051), (5929, 37072), (6776, 32438), (7282, 30184), (7546, 29128), (8624, 25487), (9268, 23716), (11858, 18536), (13552, 16219), (14564, 15092)]