619392380

素因数分解:

$2^2\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{12373}}^1$

素因数の和:14885

約数の個数: 24

約数和(自身を含む): 1301348832

約数和(自身を除く): 681956452

約数列:

[1, 2, 4, 5, 10, 20, 2503, 5006, 10012, 12373, 12515, 24746, 25030, 49492, 50060, 61865, 123730, 247460, 30969619, 61939238, 123878476, 154848095, 309696190, 619392380]

約数ペア:

[(1, 619392380), (2, 309696190), (4, 154848095), (5, 123878476), (10, 61939238), (20, 30969619), (2503, 247460), (5006, 123730), (10012, 61865), (12373, 50060), (12515, 49492), (24746, 25030)]