408078380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1\times {\mathrm{751}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 869823360

約数和(自身を除く): 461744980

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 269, 404, 505, 538, 751, 1010, 1076, 1345, 1502, 2020, 2690, 3004, 3755, 5380, 7510, 15020, 27169, 54338, 75851, 108676, 135845, 151702, 202019, 271690, 303404, 379255, 404038, 543380, 758510, 808076, 1010095, 1517020, 2020190, 4040380, 20403919, 40807838, 81615676, 102019595, 204039190, 408078380]

約数ペア:

[(1, 408078380), (2, 204039190), (4, 102019595), (5, 81615676), (10, 40807838), (20, 20403919), (101, 4040380), (202, 2020190), (269, 1517020), (404, 1010095), (505, 808076), (538, 758510), (751, 543380), (1010, 404038), (1076, 379255), (1345, 303404), (1502, 271690), (2020, 202019), (2690, 151702), (3004, 135845), (3755, 108676), (5380, 75851), (7510, 54338), (15020, 27169)]