1254618740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{9791}}^1$

素因数の和:9992

約数の個数: 48

約数和(自身を含む): 2714342400

約数和(自身を除く): 1459723660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 2980, 6407, 9791, 12814, 19582, 25628, 32035, 39164, 48955, 64070, 97910, 128140, 195820, 421013, 842026, 1458859, 1684052, 2105065, 2917718, 4210130, 5835436, 7294295, 8420260, 14588590, 29177180, 62730937, 125461874, 250923748, 313654685, 627309370, 1254618740]

約数ペア:

[(1, 1254618740), (2, 627309370), (4, 313654685), (5, 250923748), (10, 125461874), (20, 62730937), (43, 29177180), (86, 14588590), (149, 8420260), (172, 7294295), (215, 5835436), (298, 4210130), (430, 2917718), (596, 2105065), (745, 1684052), (860, 1458859), (1490, 842026), (2980, 421013), (6407, 195820), (9791, 128140), (12814, 97910), (19582, 64070), (25628, 48955), (32035, 39164)]