220479688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6217}}^1$

素因数の和:6278

約数の個数: 64

約数和(自身を含む): 501419520

約数和(自身を除く): 280939832

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 1144, 1364, 1612, 2728, 3224, 4433, 6217, 8866, 12434, 17732, 24868, 35464, 49736, 68387, 80821, 136774, 161642, 192727, 273548, 323284, 385454, 547096, 646568, 770908, 889031, 1541816, 1778062, 2119997, 2505451, 3556124, 4239994, 5010902, 7112248, 8479988, 10021804, 16959976, 20043608, 27559961, 55119922, 110239844, 220479688]

約数ペア:

[(1, 220479688), (2, 110239844), (4, 55119922), (8, 27559961), (11, 20043608), (13, 16959976), (22, 10021804), (26, 8479988), (31, 7112248), (44, 5010902), (52, 4239994), (62, 3556124), (88, 2505451), (104, 2119997), (124, 1778062), (143, 1541816), (248, 889031), (286, 770908), (341, 646568), (403, 547096), (572, 385454), (682, 323284), (806, 273548), (1144, 192727), (1364, 161642), (1612, 136774), (2728, 80821), (3224, 68387), (4433, 49736), (6217, 35464), (8866, 24868), (12434, 17732)]