1284220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9173}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 3082464

約数和(自身を除く): 1798244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9173, 18346, 36692, 45865, 64211, 91730, 128422, 183460, 256844, 321055, 642110, 1284220]

約数ペア:

[(1, 1284220), (2, 642110), (4, 321055), (5, 256844), (7, 183460), (10, 128422), (14, 91730), (20, 64211), (28, 45865), (35, 36692), (70, 18346), (140, 9173)]