2005860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 5689152

約数和(自身を除く): 3683292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 331, 404, 505, 606, 662, 993, 1010, 1212, 1324, 1515, 1655, 1986, 2020, 3030, 3310, 3972, 4965, 6060, 6620, 9930, 19860, 33431, 66862, 100293, 133724, 167155, 200586, 334310, 401172, 501465, 668620, 1002930, 2005860]

約数ペア:

[(1, 2005860), (2, 1002930), (3, 668620), (4, 501465), (5, 401172), (6, 334310), (10, 200586), (12, 167155), (15, 133724), (20, 100293), (30, 66862), (60, 33431), (101, 19860), (202, 9930), (303, 6620), (331, 6060), (404, 4965), (505, 3972), (606, 3310), (662, 3030), (993, 2020), (1010, 1986), (1212, 1655), (1324, 1515)]