1291567340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{51539}}^1$

素因数の和:51734

約数の個数: 48

約数和(自身を含む): 3117139200

約数和(自身を除く): 1825571860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 51539, 103078, 206156, 257695, 360773, 515390, 721546, 1030780, 1443092, 1803865, 3607730, 7215460, 9225481, 18450962, 36901924, 46127405, 64578367, 92254810, 129156734, 184509620, 258313468, 322891835, 645783670, 1291567340]

約数ペア:

[(1, 1291567340), (2, 645783670), (4, 322891835), (5, 258313468), (7, 184509620), (10, 129156734), (14, 92254810), (20, 64578367), (28, 46127405), (35, 36901924), (70, 18450962), (140, 9225481), (179, 7215460), (358, 3607730), (716, 1803865), (895, 1443092), (1253, 1030780), (1790, 721546), (2506, 515390), (3580, 360773), (5012, 257695), (6265, 206156), (12530, 103078), (25060, 51539)]