28057540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 68003712

約数和(自身を除く): 39946172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1873, 2140, 2996, 3745, 3746, 7490, 7492, 9365, 13111, 14980, 18730, 26222, 37460, 52444, 65555, 131110, 200411, 262220, 400822, 801644, 1002055, 1402877, 2004110, 2805754, 4008220, 5611508, 7014385, 14028770, 28057540]

約数ペア:

[(1, 28057540), (2, 14028770), (4, 7014385), (5, 5611508), (7, 4008220), (10, 2805754), (14, 2004110), (20, 1402877), (28, 1002055), (35, 801644), (70, 400822), (107, 262220), (140, 200411), (214, 131110), (428, 65555), (535, 52444), (749, 37460), (1070, 26222), (1498, 18730), (1873, 14980), (2140, 13111), (2996, 9365), (3745, 7492), (3746, 7490)]