140654920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{502339}}^1$

素因数の和:502357

約数の個数: 32

約数和(自身を含む): 361684800

約数和(自身を除く): 221029880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 502339, 1004678, 2009356, 2511695, 3516373, 4018712, 5023390, 7032746, 10046780, 14065492, 17581865, 20093560, 28130984, 35163730, 70327460, 140654920]

約数ペア:

[(1, 140654920), (2, 70327460), (4, 35163730), (5, 28130984), (7, 20093560), (8, 17581865), (10, 14065492), (14, 10046780), (20, 7032746), (28, 5023390), (35, 4018712), (40, 3516373), (56, 2511695), (70, 2009356), (140, 1004678), (280, 502339)]