229492720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66713}}^1$

素因数の和:66769

約数の個数: 40

約数和(自身を含む): 545987376

約数和(自身を除く): 316494656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 66713, 133426, 266852, 333565, 533704, 667130, 1067408, 1334260, 2668520, 2868659, 5337040, 5737318, 11474636, 14343295, 22949272, 28686590, 45898544, 57373180, 114746360, 229492720]

約数ペア:

[(1, 229492720), (2, 114746360), (4, 57373180), (5, 45898544), (8, 28686590), (10, 22949272), (16, 14343295), (20, 11474636), (40, 5737318), (43, 5337040), (80, 2868659), (86, 2668520), (172, 1334260), (215, 1067408), (344, 667130), (430, 533704), (688, 333565), (860, 266852), (1720, 133426), (3440, 66713)]