22399850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 23534710

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 293, 550, 586, 695, 1390, 1465, 1529, 2930, 3058, 3223, 3475, 6446, 6950, 7325, 7645, 14650, 15290, 16115, 32230, 38225, 40727, 76450, 80575, 81454, 161150, 203635, 407270, 447997, 895994, 1018175, 2036350, 2239985, 4479970, 11199925, 22399850]

約数ペア:

[(1, 22399850), (2, 11199925), (5, 4479970), (10, 2239985), (11, 2036350), (22, 1018175), (25, 895994), (50, 447997), (55, 407270), (110, 203635), (139, 161150), (275, 81454), (278, 80575), (293, 76450), (550, 40727), (586, 38225), (695, 32230), (1390, 16115), (1465, 15290), (1529, 14650), (2930, 7645), (3058, 7325), (3223, 6950), (3475, 6446)]