220385770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{7919}}^1$

素因数の和:7971

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 234665750

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 7919, 13915, 15838, 27830, 39595, 79190, 87109, 174218, 182137, 364274, 435545, 871090, 910685, 958199, 1821370, 1916398, 2003507, 4007014, 4790995, 9581990, 10017535, 20035070, 22038577, 44077154, 110192885, 220385770]

約数ペア:

[(1, 220385770), (2, 110192885), (5, 44077154), (10, 22038577), (11, 20035070), (22, 10017535), (23, 9581990), (46, 4790995), (55, 4007014), (110, 2003507), (115, 1916398), (121, 1821370), (230, 958199), (242, 910685), (253, 871090), (506, 435545), (605, 364274), (1210, 182137), (1265, 174218), (2530, 87109), (2783, 79190), (5566, 39595), (7919, 27830), (13915, 15838)]