208715560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{599}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 487296000

約数和(自身を除く): 278580440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 281, 310, 562, 599, 620, 1124, 1198, 1240, 1405, 2248, 2396, 2810, 2995, 4792, 5620, 5990, 8711, 11240, 11980, 17422, 18569, 23960, 34844, 37138, 43555, 69688, 74276, 87110, 92845, 148552, 168319, 174220, 185690, 336638, 348440, 371380, 673276, 742760, 841595, 1346552, 1683190, 3366380, 5217889, 6732760, 10435778, 20871556, 26089445, 41743112, 52178890, 104357780, 208715560]

約数ペア:

[(1, 208715560), (2, 104357780), (4, 52178890), (5, 41743112), (8, 26089445), (10, 20871556), (20, 10435778), (31, 6732760), (40, 5217889), (62, 3366380), (124, 1683190), (155, 1346552), (248, 841595), (281, 742760), (310, 673276), (562, 371380), (599, 348440), (620, 336638), (1124, 185690), (1198, 174220), (1240, 168319), (1405, 148552), (2248, 92845), (2396, 87110), (2810, 74276), (2995, 69688), (4792, 43555), (5620, 37138), (5990, 34844), (8711, 23960), (11240, 18569), (11980, 17422)]