291227020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67103}}^1$

素因数の和:67150

約数の個数: 48

約数和(自身を含む): 721502208

約数和(自身を除く): 430275188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 67103, 134206, 268412, 335515, 469721, 671030, 939442, 1342060, 1878884, 2080193, 2348605, 4160386, 4697210, 8320772, 9394420, 10400965, 14561351, 20801930, 29122702, 41603860, 58245404, 72806755, 145613510, 291227020]

約数ペア:

[(1, 291227020), (2, 145613510), (4, 72806755), (5, 58245404), (7, 41603860), (10, 29122702), (14, 20801930), (20, 14561351), (28, 10400965), (31, 9394420), (35, 8320772), (62, 4697210), (70, 4160386), (124, 2348605), (140, 2080193), (155, 1878884), (217, 1342060), (310, 939442), (434, 671030), (620, 469721), (868, 335515), (1085, 268412), (2170, 134206), (4340, 67103)]