2027156780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{21379}}^1$

素因数の和:21830

約数の個数: 48

約数和(自身を含む): 4655024640

約数和(自身を除く): 2627867860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 431, 862, 1724, 2155, 4310, 4741, 8620, 9482, 18964, 21379, 23705, 42758, 47410, 85516, 94820, 106895, 213790, 235169, 427580, 470338, 940676, 1175845, 2351690, 4703380, 9214349, 18428698, 36857396, 46071745, 92143490, 101357839, 184286980, 202715678, 405431356, 506789195, 1013578390, 2027156780]

約数ペア:

[(1, 2027156780), (2, 1013578390), (4, 506789195), (5, 405431356), (10, 202715678), (11, 184286980), (20, 101357839), (22, 92143490), (44, 46071745), (55, 36857396), (110, 18428698), (220, 9214349), (431, 4703380), (862, 2351690), (1724, 1175845), (2155, 940676), (4310, 470338), (4741, 427580), (8620, 235169), (9482, 213790), (18964, 106895), (21379, 94820), (23705, 85516), (42758, 47410)]