1309990900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2293}}^1$

素因数の和:2533

約数の個数: 72

約数和(自身を含む): 2956920120

約数和(自身を除く): 1646929220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 197, 290, 394, 580, 725, 788, 985, 1450, 1970, 2293, 2900, 3940, 4586, 4925, 5713, 9172, 9850, 11426, 11465, 19700, 22852, 22930, 28565, 45860, 57130, 57325, 66497, 114260, 114650, 132994, 142825, 229300, 265988, 285650, 332485, 451721, 571300, 664970, 903442, 1329940, 1662425, 1806884, 2258605, 3324850, 4517210, 6649700, 9034420, 11293025, 13099909, 22586050, 26199818, 45172100, 52399636, 65499545, 130999090, 261998180, 327497725, 654995450, 1309990900]

約数ペア:

[(1, 1309990900), (2, 654995450), (4, 327497725), (5, 261998180), (10, 130999090), (20, 65499545), (25, 52399636), (29, 45172100), (50, 26199818), (58, 22586050), (100, 13099909), (116, 11293025), (145, 9034420), (197, 6649700), (290, 4517210), (394, 3324850), (580, 2258605), (725, 1806884), (788, 1662425), (985, 1329940), (1450, 903442), (1970, 664970), (2293, 571300), (2900, 451721), (3940, 332485), (4586, 285650), (4925, 265988), (5713, 229300), (9172, 142825), (9850, 132994), (11426, 114650), (11465, 114260), (19700, 66497), (22852, 57325), (22930, 57130), (28565, 45860)]