1448240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 3453648

約数和(自身を除く): 2005408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 421, 430, 688, 842, 860, 1684, 1720, 2105, 3368, 3440, 4210, 6736, 8420, 16840, 18103, 33680, 36206, 72412, 90515, 144824, 181030, 289648, 362060, 724120, 1448240]

約数ペア:

[(1, 1448240), (2, 724120), (4, 362060), (5, 289648), (8, 181030), (10, 144824), (16, 90515), (20, 72412), (40, 36206), (43, 33680), (80, 18103), (86, 16840), (172, 8420), (215, 6736), (344, 4210), (421, 3440), (430, 3368), (688, 2105), (842, 1720), (860, 1684)]