188909840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{337339}}^1$

素因数の和:337359

約数の個数: 40

約数和(自身を含む): 501961920

約数和(自身を除く): 313052080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 337339, 674678, 1349356, 1686695, 2361373, 2698712, 3373390, 4722746, 5397424, 6746780, 9445492, 11806865, 13493560, 18890984, 23613730, 26987120, 37781968, 47227460, 94454920, 188909840]

約数ペア:

[(1, 188909840), (2, 94454920), (4, 47227460), (5, 37781968), (7, 26987120), (8, 23613730), (10, 18890984), (14, 13493560), (16, 11806865), (20, 9445492), (28, 6746780), (35, 5397424), (40, 4722746), (56, 3373390), (70, 2698712), (80, 2361373), (112, 1686695), (140, 1349356), (280, 674678), (560, 337339)]