220185784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2003}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 511741440

約数和(自身を除く): 291555656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 151, 182, 302, 364, 604, 728, 1057, 1208, 1963, 2003, 2114, 3926, 4006, 4228, 7852, 8012, 8456, 13741, 14021, 15704, 16024, 26039, 27482, 28042, 52078, 54964, 56084, 104156, 109928, 112168, 182273, 208312, 302453, 364546, 604906, 729092, 1209812, 1458184, 2117171, 2419624, 3931889, 4234342, 7863778, 8468684, 15727556, 16937368, 27523223, 31455112, 55046446, 110092892, 220185784]

約数ペア:

[(1, 220185784), (2, 110092892), (4, 55046446), (7, 31455112), (8, 27523223), (13, 16937368), (14, 15727556), (26, 8468684), (28, 7863778), (52, 4234342), (56, 3931889), (91, 2419624), (104, 2117171), (151, 1458184), (182, 1209812), (302, 729092), (364, 604906), (604, 364546), (728, 302453), (1057, 208312), (1208, 182273), (1963, 112168), (2003, 109928), (2114, 104156), (3926, 56084), (4006, 54964), (4228, 52078), (7852, 28042), (8012, 27482), (8456, 26039), (13741, 16024), (14021, 15704)]