289449980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{135257}}^1$

素因数の和:135373

約数の個数: 24

約数和(自身を含む): 613530288

約数和(自身を除く): 324080308

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 135257, 270514, 541028, 676285, 1352570, 2705140, 14472499, 28944998, 57889996, 72362495, 144724990, 289449980]

約数ペア:

[(1, 289449980), (2, 144724990), (4, 72362495), (5, 57889996), (10, 28944998), (20, 14472499), (107, 2705140), (214, 1352570), (428, 676285), (535, 541028), (1070, 270514), (2140, 135257)]