317588540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2819}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 687899520

約数和(自身を除く): 370310980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 430, 524, 655, 860, 1310, 2620, 2819, 5633, 5638, 11266, 11276, 14095, 22532, 28165, 28190, 56330, 56380, 112660, 121217, 242434, 369289, 484868, 606085, 738578, 1212170, 1477156, 1846445, 2424340, 3692890, 7385780, 15879427, 31758854, 63517708, 79397135, 158794270, 317588540]

約数ペア:

[(1, 317588540), (2, 158794270), (4, 79397135), (5, 63517708), (10, 31758854), (20, 15879427), (43, 7385780), (86, 3692890), (131, 2424340), (172, 1846445), (215, 1477156), (262, 1212170), (430, 738578), (524, 606085), (655, 484868), (860, 369289), (1310, 242434), (2620, 121217), (2819, 112660), (5633, 56380), (5638, 56330), (11266, 28190), (11276, 28165), (14095, 22532)]