220021648

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 534251520

約数和(自身を除く): 314229872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 271, 308, 542, 616, 659, 1084, 1232, 1318, 1897, 2168, 2636, 2981, 3794, 4336, 4613, 5272, 5962, 7249, 7588, 9226, 10544, 11924, 14498, 15176, 18452, 20867, 23848, 28996, 30352, 36904, 41734, 47696, 50743, 57992, 73808, 83468, 101486, 115984, 166936, 178589, 202972, 333872, 357178, 405944, 714356, 811888, 1250123, 1428712, 1964479, 2500246, 2857424, 3928958, 5000492, 7857916, 10000984, 13751353, 15715832, 20001968, 27502706, 31431664, 55005412, 110010824, 220021648]

約数ペア:

[(1, 220021648), (2, 110010824), (4, 55005412), (7, 31431664), (8, 27502706), (11, 20001968), (14, 15715832), (16, 13751353), (22, 10000984), (28, 7857916), (44, 5000492), (56, 3928958), (77, 2857424), (88, 2500246), (112, 1964479), (154, 1428712), (176, 1250123), (271, 811888), (308, 714356), (542, 405944), (616, 357178), (659, 333872), (1084, 202972), (1232, 178589), (1318, 166936), (1897, 115984), (2168, 101486), (2636, 83468), (2981, 73808), (3794, 57992), (4336, 50743), (4613, 47696), (5272, 41734), (5962, 36904), (7249, 30352), (7588, 28996), (9226, 23848), (10544, 20867), (11924, 18452), (14498, 15176)]