12703180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 31481856

約数和(自身を除く): 18778676

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, 2927, 4340, 5854, 11708, 14635, 20489, 29270, 40978, 58540, 81956, 90737, 102445, 181474, 204890, 362948, 409780, 453685, 635159, 907370, 1270318, 1814740, 2540636, 3175795, 6351590, 12703180]

約数ペア:

[(1, 12703180), (2, 6351590), (4, 3175795), (5, 2540636), (7, 1814740), (10, 1270318), (14, 907370), (20, 635159), (28, 453685), (31, 409780), (35, 362948), (62, 204890), (70, 181474), (124, 102445), (140, 90737), (155, 81956), (217, 58540), (310, 40978), (434, 29270), (620, 20489), (868, 14635), (1085, 11708), (2170, 5854), (2927, 4340)]