90303220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645023}}^1$

素因数の和:645039

約数の個数: 24

約数和(自身を含む): 216728064

約数和(自身を除く): 126424844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645023, 1290046, 2580092, 3225115, 4515161, 6450230, 9030322, 12900460, 18060644, 22575805, 45151610, 90303220]

約数ペア:

[(1, 90303220), (2, 45151610), (4, 22575805), (5, 18060644), (7, 12900460), (10, 9030322), (14, 6450230), (20, 4515161), (28, 3225115), (35, 2580092), (70, 1290046), (140, 645023)]