208560440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1125

約数の個数: 96

約数和(自身を含む): 528882480

約数和(自身を除く): 320322040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 164, 205, 220, 242, 328, 410, 440, 451, 484, 605, 820, 902, 968, 1051, 1210, 1640, 1804, 2102, 2255, 2420, 3608, 4204, 4510, 4840, 4961, 5255, 8408, 9020, 9922, 10510, 11561, 18040, 19844, 21020, 23122, 24805, 39688, 42040, 43091, 46244, 49610, 57805, 86182, 92488, 99220, 115610, 127171, 172364, 198440, 215455, 231220, 254342, 344728, 430910, 462440, 474001, 508684, 635855, 861820, 948002, 1017368, 1271710, 1723640, 1896004, 2370005, 2543420, 3792008, 4740010, 5086840, 5214011, 9480020, 10428022, 18960040, 20856044, 26070055, 41712088, 52140110, 104280220, 208560440]

約数ペア:

[(1, 208560440), (2, 104280220), (4, 52140110), (5, 41712088), (8, 26070055), (10, 20856044), (11, 18960040), (20, 10428022), (22, 9480020), (40, 5214011), (41, 5086840), (44, 4740010), (55, 3792008), (82, 2543420), (88, 2370005), (110, 1896004), (121, 1723640), (164, 1271710), (205, 1017368), (220, 948002), (242, 861820), (328, 635855), (410, 508684), (440, 474001), (451, 462440), (484, 430910), (605, 344728), (820, 254342), (902, 231220), (968, 215455), (1051, 198440), (1210, 172364), (1640, 127171), (1804, 115610), (2102, 99220), (2255, 92488), (2420, 86182), (3608, 57805), (4204, 49610), (4510, 46244), (4840, 43091), (4961, 42040), (5255, 39688), (8408, 24805), (9020, 23122), (9922, 21020), (10510, 19844), (11561, 18040)]