2017788790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{179999}}^1$

素因数の和:180084

約数の個数: 32

約数和(自身を含む): 3888000000

約数和(自身を除く): 1870211210

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 11210, 179999, 359998, 899995, 1799990, 3419981, 6839962, 10619941, 17099905, 21239882, 34199810, 53099705, 106199410, 201778879, 403557758, 1008894395, 2017788790]

約数ペア:

[(1, 2017788790), (2, 1008894395), (5, 403557758), (10, 201778879), (19, 106199410), (38, 53099705), (59, 34199810), (95, 21239882), (118, 17099905), (190, 10619941), (295, 6839962), (590, 3419981), (1121, 1799990), (2242, 899995), (5605, 359998), (11210, 179999)]