30344240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8821}}^1$

素因数の和:8877

約数の個数: 40

約数和(自身を含む): 72199248

約数和(自身を除く): 41855008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8821, 17642, 35284, 44105, 70568, 88210, 141136, 176420, 352840, 379303, 705680, 758606, 1517212, 1896515, 3034424, 3793030, 6068848, 7586060, 15172120, 30344240]

約数ペア:

[(1, 30344240), (2, 15172120), (4, 7586060), (5, 6068848), (8, 3793030), (10, 3034424), (16, 1896515), (20, 1517212), (40, 758606), (43, 705680), (80, 379303), (86, 352840), (172, 176420), (215, 141136), (344, 88210), (430, 70568), (688, 44105), (860, 35284), (1720, 17642), (3440, 8821)]