1449481840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421361}}^1$

素因数の和:421417

約数の個数: 40

約数和(自身を含む): 3448426608

約数和(自身を除く): 1998944768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 421361, 842722, 1685444, 2106805, 3370888, 4213610, 6741776, 8427220, 16854440, 18118523, 33708880, 36237046, 72474092, 90592615, 144948184, 181185230, 289896368, 362370460, 724740920, 1449481840]

約数ペア:

[(1, 1449481840), (2, 724740920), (4, 362370460), (5, 289896368), (8, 181185230), (10, 144948184), (16, 90592615), (20, 72474092), (40, 36237046), (43, 33708880), (80, 18118523), (86, 16854440), (172, 8427220), (215, 6741776), (344, 4213610), (430, 3370888), (688, 2106805), (860, 1685444), (1720, 842722), (3440, 421361)]