280671664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4483}}^1$

素因数の和:4554

約数の個数: 80

約数和(自身を含む): 685011712

約数和(自身を除く): 404340048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4472, 4483, 4816, 7826, 8944, 8966, 15652, 17932, 31304, 31381, 35864, 58279, 62608, 62762, 71728, 116558, 125524, 192769, 233116, 251048, 385538, 407953, 466232, 502096, 771076, 815906, 932464, 1349383, 1542152, 1631812, 2505997, 2698766, 3084304, 3263624, 5011994, 5397532, 6527248, 10023988, 10795064, 17541979, 20047976, 21590128, 35083958, 40095952, 70167916, 140335832, 280671664]

約数ペア:

[(1, 280671664), (2, 140335832), (4, 70167916), (7, 40095952), (8, 35083958), (13, 21590128), (14, 20047976), (16, 17541979), (26, 10795064), (28, 10023988), (43, 6527248), (52, 5397532), (56, 5011994), (86, 3263624), (91, 3084304), (104, 2698766), (112, 2505997), (172, 1631812), (182, 1542152), (208, 1349383), (301, 932464), (344, 815906), (364, 771076), (559, 502096), (602, 466232), (688, 407953), (728, 385538), (1118, 251048), (1204, 233116), (1456, 192769), (2236, 125524), (2408, 116558), (3913, 71728), (4472, 62762), (4483, 62608), (4816, 58279), (7826, 35864), (8944, 31381), (8966, 31304), (15652, 17932)]