209218064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 462024000

約数和(自身を除く): 252805936

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 179, 229, 232, 319, 358, 458, 464, 638, 716, 916, 1276, 1432, 1832, 1969, 2519, 2552, 2864, 3664, 3938, 5038, 5104, 5191, 6641, 7876, 10076, 10382, 13282, 15752, 20152, 20764, 26564, 31504, 40304, 40991, 41528, 53128, 57101, 73051, 81982, 83056, 106256, 114202, 146102, 163964, 228404, 292204, 327928, 450901, 456808, 584408, 655856, 901802, 913616, 1168816, 1188739, 1803604, 2377478, 3607208, 4754956, 7214416, 9509912, 13076129, 19019824, 26152258, 52304516, 104609032, 209218064]

約数ペア:

[(1, 209218064), (2, 104609032), (4, 52304516), (8, 26152258), (11, 19019824), (16, 13076129), (22, 9509912), (29, 7214416), (44, 4754956), (58, 3607208), (88, 2377478), (116, 1803604), (176, 1188739), (179, 1168816), (229, 913616), (232, 901802), (319, 655856), (358, 584408), (458, 456808), (464, 450901), (638, 327928), (716, 292204), (916, 228404), (1276, 163964), (1432, 146102), (1832, 114202), (1969, 106256), (2519, 83056), (2552, 81982), (2864, 73051), (3664, 57101), (3938, 53128), (5038, 41528), (5104, 40991), (5191, 40304), (6641, 31504), (7876, 26564), (10076, 20764), (10382, 20152), (13282, 15752)]