144257840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78401}}^1$

素因数の和:78437

約数の個数: 40

約数和(自身を含む): 349986528

約数和(自身を除く): 205728688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 78401, 156802, 313604, 392005, 627208, 784010, 1254416, 1568020, 1803223, 3136040, 3606446, 6272080, 7212892, 9016115, 14425784, 18032230, 28851568, 36064460, 72128920, 144257840]

約数ペア:

[(1, 144257840), (2, 72128920), (4, 36064460), (5, 28851568), (8, 18032230), (10, 14425784), (16, 9016115), (20, 7212892), (23, 6272080), (40, 3606446), (46, 3136040), (80, 1803223), (92, 1568020), (115, 1254416), (184, 784010), (230, 627208), (368, 392005), (460, 313604), (920, 156802), (1840, 78401)]