28297220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1889}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 40287100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1889, 2140, 2996, 3745, 3778, 7490, 7556, 9445, 13223, 14980, 18890, 26446, 37780, 52892, 66115, 132230, 202123, 264460, 404246, 808492, 1010615, 1414861, 2021230, 2829722, 4042460, 5659444, 7074305, 14148610, 28297220]

約数ペア:

[(1, 28297220), (2, 14148610), (4, 7074305), (5, 5659444), (7, 4042460), (10, 2829722), (14, 2021230), (20, 1414861), (28, 1010615), (35, 808492), (70, 404246), (107, 264460), (140, 202123), (214, 132230), (428, 66115), (535, 52892), (749, 37780), (1070, 26446), (1498, 18890), (1889, 14980), (2140, 13223), (2996, 9445), (3745, 7556), (3778, 7490)]