281700224

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 643399680

約数和(自身を除く): 361699456

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 43, 52, 62, 64, 86, 104, 124, 127, 128, 172, 208, 248, 254, 344, 403, 416, 496, 508, 559, 688, 806, 832, 992, 1016, 1118, 1333, 1376, 1612, 1651, 1664, 1984, 2032, 2236, 2666, 2752, 3224, 3302, 3937, 3968, 4064, 4472, 5332, 5461, 5504, 6448, 6604, 7874, 8128, 8944, 10664, 10922, 12896, 13208, 15748, 16256, 17329, 17888, 21328, 21844, 25792, 26416, 31496, 34658, 35776, 42656, 43688, 51181, 51584, 52832, 62992, 69316, 70993, 71552, 85312, 87376, 102362, 105664, 125984, 138632, 141986, 169291, 170624, 174752, 204724, 211328, 251968, 277264, 283972, 338582, 349504, 409448, 503936, 554528, 567944, 677164, 699008, 818896, 1109056, 1135888, 1354328, 1637792, 2200783, 2218112, 2271776, 2708656, 3275584, 4401566, 4543552, 5417312, 6551168, 8803132, 9087104, 10834624, 17606264, 21669248, 35212528, 70425056, 140850112, 281700224]

約数ペア:

[(1, 281700224), (2, 140850112), (4, 70425056), (8, 35212528), (13, 21669248), (16, 17606264), (26, 10834624), (31, 9087104), (32, 8803132), (43, 6551168), (52, 5417312), (62, 4543552), (64, 4401566), (86, 3275584), (104, 2708656), (124, 2271776), (127, 2218112), (128, 2200783), (172, 1637792), (208, 1354328), (248, 1135888), (254, 1109056), (344, 818896), (403, 699008), (416, 677164), (496, 567944), (508, 554528), (559, 503936), (688, 409448), (806, 349504), (832, 338582), (992, 283972), (1016, 277264), (1118, 251968), (1333, 211328), (1376, 204724), (1612, 174752), (1651, 170624), (1664, 169291), (1984, 141986), (2032, 138632), (2236, 125984), (2666, 105664), (2752, 102362), (3224, 87376), (3302, 85312), (3937, 71552), (3968, 70993), (4064, 69316), (4472, 62992), (5332, 52832), (5461, 51584), (5504, 51181), (6448, 43688), (6604, 42656), (7874, 35776), (8128, 34658), (8944, 31496), (10664, 26416), (10922, 25792), (12896, 21844), (13208, 21328), (15748, 17888), (16256, 17329)]