102782820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{244721}}^1$

素因数の和:244740

約数の個数: 48

約数和(自身を含む): 328906368

約数和(自身を除く): 226123548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 244721, 489442, 734163, 978884, 1223605, 1468326, 1713047, 2447210, 2936652, 3426094, 3670815, 4894420, 5139141, 6852188, 7341630, 8565235, 10278282, 14683260, 17130470, 20556564, 25695705, 34260940, 51391410, 102782820]

約数ペア:

[(1, 102782820), (2, 51391410), (3, 34260940), (4, 25695705), (5, 20556564), (6, 17130470), (7, 14683260), (10, 10278282), (12, 8565235), (14, 7341630), (15, 6852188), (20, 5139141), (21, 4894420), (28, 3670815), (30, 3426094), (35, 2936652), (42, 2447210), (60, 1713047), (70, 1468326), (84, 1223605), (105, 978884), (140, 734163), (210, 489442), (420, 244721)]