140237968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 308105280

約数和(自身を除く): 167867312

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 67, 104, 116, 134, 208, 232, 268, 347, 377, 464, 536, 694, 754, 871, 1072, 1388, 1508, 1742, 1943, 2776, 3016, 3484, 3886, 4511, 5552, 6032, 6968, 7772, 9022, 10063, 13936, 15544, 18044, 20126, 23249, 25259, 31088, 36088, 40252, 46498, 50518, 72176, 80504, 92996, 101036, 130819, 161008, 185992, 202072, 261638, 302237, 371984, 404144, 523276, 604474, 674221, 1046552, 1208948, 1348442, 2093104, 2417896, 2696884, 4835792, 5393768, 8764873, 10787536, 17529746, 35059492, 70118984, 140237968]

約数ペア:

[(1, 140237968), (2, 70118984), (4, 35059492), (8, 17529746), (13, 10787536), (16, 8764873), (26, 5393768), (29, 4835792), (52, 2696884), (58, 2417896), (67, 2093104), (104, 1348442), (116, 1208948), (134, 1046552), (208, 674221), (232, 604474), (268, 523276), (347, 404144), (377, 371984), (464, 302237), (536, 261638), (694, 202072), (754, 185992), (871, 161008), (1072, 130819), (1388, 101036), (1508, 92996), (1742, 80504), (1943, 72176), (2776, 50518), (3016, 46498), (3484, 40252), (3886, 36088), (4511, 31088), (5552, 25259), (6032, 23249), (6968, 20126), (7772, 18044), (9022, 15544), (10063, 13936)]