2012072020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 4890203136

約数和(自身を除く): 2878131116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 271, 293, 362, 542, 586, 724, 905, 1084, 1172, 1267, 1355, 1465, 1810, 1897, 2051, 2534, 2710, 2930, 3620, 3794, 4102, 5068, 5420, 5860, 6335, 7588, 8204, 9485, 10255, 12670, 18970, 20510, 25340, 37940, 41020, 49051, 53033, 79403, 98102, 106066, 158806, 196204, 212132, 245255, 265165, 317612, 343357, 371231, 397015, 490510, 530330, 555821, 686714, 742462, 794030, 981020, 1060660, 1111642, 1373428, 1484924, 1588060, 1716785, 1856155, 2223284, 2779105, 3433570, 3712310, 5558210, 6867140, 7424620, 11116420, 14371943, 28743886, 57487772, 71859715, 100603601, 143719430, 201207202, 287438860, 402414404, 503018005, 1006036010, 2012072020]

約数ペア:

[(1, 2012072020), (2, 1006036010), (4, 503018005), (5, 402414404), (7, 287438860), (10, 201207202), (14, 143719430), (20, 100603601), (28, 71859715), (35, 57487772), (70, 28743886), (140, 14371943), (181, 11116420), (271, 7424620), (293, 6867140), (362, 5558210), (542, 3712310), (586, 3433570), (724, 2779105), (905, 2223284), (1084, 1856155), (1172, 1716785), (1267, 1588060), (1355, 1484924), (1465, 1373428), (1810, 1111642), (1897, 1060660), (2051, 981020), (2534, 794030), (2710, 742462), (2930, 686714), (3620, 555821), (3794, 530330), (4102, 490510), (5068, 397015), (5420, 371231), (5860, 343357), (6335, 317612), (7588, 265165), (8204, 245255), (9485, 212132), (10255, 196204), (12670, 158806), (18970, 106066), (20510, 98102), (25340, 79403), (37940, 53033), (41020, 49051)]