619393340

素因数分解:

$2^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{13007}}^1$

素因数の和:15397

約数の個数: 24

約数和(自身を含む): 1301372352

約数和(自身を除く): 681979012

約数列:

[1, 2, 4, 5, 10, 20, 2381, 4762, 9524, 11905, 13007, 23810, 26014, 47620, 52028, 65035, 130070, 260140, 30969667, 61939334, 123878668, 154848335, 309696670, 619393340]

約数ペア:

[(1, 619393340), (2, 309696670), (4, 154848335), (5, 123878668), (10, 61939334), (20, 30969667), (2381, 260140), (4762, 130070), (9524, 65035), (11905, 52028), (13007, 47620), (23810, 26014)]