28392980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 47086060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 179, 206, 220, 308, 358, 385, 412, 515, 716, 721, 770, 895, 1030, 1133, 1253, 1442, 1540, 1790, 1969, 2060, 2266, 2506, 2884, 3580, 3605, 3938, 4532, 5012, 5665, 6265, 7210, 7876, 7931, 9845, 11330, 12530, 13783, 14420, 15862, 18437, 19690, 22660, 25060, 27566, 31724, 36874, 39380, 39655, 55132, 68915, 73748, 79310, 92185, 129059, 137830, 158620, 184370, 202807, 258118, 275660, 368740, 405614, 516236, 645295, 811228, 1014035, 1290590, 1419649, 2028070, 2581180, 2839298, 4056140, 5678596, 7098245, 14196490, 28392980]

約数ペア:

[(1, 28392980), (2, 14196490), (4, 7098245), (5, 5678596), (7, 4056140), (10, 2839298), (11, 2581180), (14, 2028070), (20, 1419649), (22, 1290590), (28, 1014035), (35, 811228), (44, 645295), (55, 516236), (70, 405614), (77, 368740), (103, 275660), (110, 258118), (140, 202807), (154, 184370), (179, 158620), (206, 137830), (220, 129059), (308, 92185), (358, 79310), (385, 73748), (412, 68915), (515, 55132), (716, 39655), (721, 39380), (770, 36874), (895, 31724), (1030, 27566), (1133, 25060), (1253, 22660), (1442, 19690), (1540, 18437), (1790, 15862), (1969, 14420), (2060, 13783), (2266, 12530), (2506, 11330), (2884, 9845), (3580, 7931), (3605, 7876), (3938, 7210), (4532, 6265), (5012, 5665)]