5434340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 11975040

約数和(自身を除く): 6540700

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 89, 142, 172, 178, 215, 284, 355, 356, 430, 445, 710, 860, 890, 1420, 1780, 3053, 3827, 6106, 6319, 7654, 12212, 12638, 15265, 15308, 19135, 25276, 30530, 31595, 38270, 61060, 63190, 76540, 126380, 271717, 543434, 1086868, 1358585, 2717170, 5434340]

約数ペア:

[(1, 5434340), (2, 2717170), (4, 1358585), (5, 1086868), (10, 543434), (20, 271717), (43, 126380), (71, 76540), (86, 63190), (89, 61060), (142, 38270), (172, 31595), (178, 30530), (215, 25276), (284, 19135), (355, 15308), (356, 15265), (430, 12638), (445, 12212), (710, 7654), (860, 6319), (890, 6106), (1420, 3827), (1780, 3053)]