203414840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{57139}}^1$

素因数の和:57239

約数の個数: 32

約数和(自身を含む): 462834000

約数和(自身を除く): 259419160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 57139, 114278, 228556, 285695, 457112, 571390, 1142780, 2285560, 5085371, 10170742, 20341484, 25426855, 40682968, 50853710, 101707420, 203414840]

約数ペア:

[(1, 203414840), (2, 101707420), (4, 50853710), (5, 40682968), (8, 25426855), (10, 20341484), (20, 10170742), (40, 5085371), (89, 2285560), (178, 1142780), (356, 571390), (445, 457112), (712, 285695), (890, 228556), (1780, 114278), (3560, 57139)]