28956340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1933}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 70180992

約数和(自身を除く): 41224652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1933, 2140, 2996, 3745, 3866, 7490, 7732, 9665, 13531, 14980, 19330, 27062, 38660, 54124, 67655, 135310, 206831, 270620, 413662, 827324, 1034155, 1447817, 2068310, 2895634, 4136620, 5791268, 7239085, 14478170, 28956340]

約数ペア:

[(1, 28956340), (2, 14478170), (4, 7239085), (5, 5791268), (7, 4136620), (10, 2895634), (14, 2068310), (20, 1447817), (28, 1034155), (35, 827324), (70, 413662), (107, 270620), (140, 206831), (214, 135310), (428, 67655), (535, 54124), (749, 38660), (1070, 27062), (1498, 19330), (1933, 14980), (2140, 13531), (2996, 9665), (3745, 7732), (3866, 7490)]