22920163970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{2719}}^1$

素因数の和:3323

約数の個数: 64

約数和(自身を含む): 45368294400

約数和(自身を除く): 22448130430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 389, 394, 778, 985, 1945, 1970, 2167, 2719, 3890, 4279, 4334, 5438, 8558, 10835, 13595, 21395, 21670, 27190, 29909, 42790, 59818, 76633, 149545, 153266, 299090, 383165, 535643, 766330, 842963, 1057691, 1071286, 1685926, 2115382, 2678215, 4214815, 5288455, 5356430, 5892073, 8429630, 10576910, 11634601, 11784146, 23269202, 29460365, 58173005, 58920730, 116346010, 208365127, 416730254, 1041825635, 2083651270, 2292016397, 4584032794, 11460081985, 22920163970]

約数ペア:

[(1, 22920163970), (2, 11460081985), (5, 4584032794), (10, 2292016397), (11, 2083651270), (22, 1041825635), (55, 416730254), (110, 208365127), (197, 116346010), (389, 58920730), (394, 58173005), (778, 29460365), (985, 23269202), (1945, 11784146), (1970, 11634601), (2167, 10576910), (2719, 8429630), (3890, 5892073), (4279, 5356430), (4334, 5288455), (5438, 4214815), (8558, 2678215), (10835, 2115382), (13595, 1685926), (21395, 1071286), (21670, 1057691), (27190, 842963), (29909, 766330), (42790, 535643), (59818, 383165), (76633, 299090), (149545, 153266)]