388534240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{56473}}^1$

素因数の和:56531

約数の個数: 48

約数和(自身を含む): 939275568

約数和(自身を除く): 550741328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 56473, 112946, 225892, 282365, 451784, 564730, 903568, 1129460, 1807136, 2258920, 2428339, 4517840, 4856678, 9035680, 9713356, 12141695, 19426712, 24283390, 38853424, 48566780, 77706848, 97133560, 194267120, 388534240]

約数ペア:

[(1, 388534240), (2, 194267120), (4, 97133560), (5, 77706848), (8, 48566780), (10, 38853424), (16, 24283390), (20, 19426712), (32, 12141695), (40, 9713356), (43, 9035680), (80, 4856678), (86, 4517840), (160, 2428339), (172, 2258920), (215, 1807136), (344, 1129460), (430, 903568), (688, 564730), (860, 451784), (1376, 282365), (1720, 225892), (3440, 112946), (6880, 56473)]