12572980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 31159296

約数和(自身を除く): 18586316

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, 2897, 4340, 5794, 11588, 14485, 20279, 28970, 40558, 57940, 81116, 89807, 101395, 179614, 202790, 359228, 405580, 449035, 628649, 898070, 1257298, 1796140, 2514596, 3143245, 6286490, 12572980]

約数ペア:

[(1, 12572980), (2, 6286490), (4, 3143245), (5, 2514596), (7, 1796140), (10, 1257298), (14, 898070), (20, 628649), (28, 449035), (31, 405580), (35, 359228), (62, 202790), (70, 179614), (124, 101395), (140, 89807), (155, 81116), (217, 57940), (310, 40558), (434, 28970), (620, 20279), (868, 14485), (1085, 11588), (2170, 5794), (2897, 4340)]