143240540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{41399}}^1$

素因数の和:41581

約数の個数: 24

約数和(自身を含む): 302551200

約数和(自身を除く): 159310660

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 41399, 82798, 165596, 206995, 413990, 827980, 7162027, 14324054, 28648108, 35810135, 71620270, 143240540]

約数ペア:

[(1, 143240540), (2, 71620270), (4, 35810135), (5, 28648108), (10, 14324054), (20, 7162027), (173, 827980), (346, 413990), (692, 206995), (865, 165596), (1730, 82798), (3460, 41399)]