142272940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{309289}}^1$

素因数の和:309321

約数の個数: 24

約数和(自身を含む): 311764320

約数和(自身を除く): 169491380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 309289, 618578, 1237156, 1546445, 3092890, 6185780, 7113647, 14227294, 28454588, 35568235, 71136470, 142272940]

約数ペア:

[(1, 142272940), (2, 71136470), (4, 35568235), (5, 28454588), (10, 14227294), (20, 7113647), (23, 6185780), (46, 3092890), (92, 1546445), (115, 1237156), (230, 618578), (460, 309289)]