239869840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{428339}}^1$

素因数の和:428359

約数の個数: 40

約数和(自身を含む): 637369920

約数和(自身を除く): 397500080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 428339, 856678, 1713356, 2141695, 2998373, 3426712, 4283390, 5996746, 6853424, 8566780, 11993492, 14991865, 17133560, 23986984, 29983730, 34267120, 47973968, 59967460, 119934920, 239869840]

約数ペア:

[(1, 239869840), (2, 119934920), (4, 59967460), (5, 47973968), (7, 34267120), (8, 29983730), (10, 23986984), (14, 17133560), (16, 14991865), (20, 11993492), (28, 8566780), (35, 6853424), (40, 5996746), (56, 4283390), (70, 3426712), (80, 2998373), (112, 2141695), (140, 1713356), (280, 856678), (560, 428339)]