205953616

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 80

約数和(自身を含む): 462916800

約数和(自身を除く): 256963184

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 509, 836, 968, 1018, 1331, 1672, 1936, 2036, 2299, 2662, 3344, 4072, 4598, 5324, 5599, 8144, 9196, 9671, 10648, 11198, 18392, 19342, 21296, 22396, 25289, 36784, 38684, 44792, 50578, 61589, 77368, 89584, 101156, 106381, 123178, 154736, 202312, 212762, 246356, 404624, 425524, 492712, 677479, 851048, 985424, 1170191, 1354958, 1702096, 2340382, 2709916, 4680764, 5419832, 9361528, 10839664, 12872101, 18723056, 25744202, 51488404, 102976808, 205953616]

約数ペア:

[(1, 205953616), (2, 102976808), (4, 51488404), (8, 25744202), (11, 18723056), (16, 12872101), (19, 10839664), (22, 9361528), (38, 5419832), (44, 4680764), (76, 2709916), (88, 2340382), (121, 1702096), (152, 1354958), (176, 1170191), (209, 985424), (242, 851048), (304, 677479), (418, 492712), (484, 425524), (509, 404624), (836, 246356), (968, 212762), (1018, 202312), (1331, 154736), (1672, 123178), (1936, 106381), (2036, 101156), (2299, 89584), (2662, 77368), (3344, 61589), (4072, 50578), (4598, 44792), (5324, 38684), (5599, 36784), (8144, 25289), (9196, 22396), (9671, 21296), (10648, 19342), (11198, 18392)]