28646940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68207}}^1$

素因数の和:68226

約数の個数: 48

約数和(自身を含む): 91671552

約数和(自身を除く): 63024612

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, 68207, 136414, 204621, 272828, 341035, 409242, 477449, 682070, 818484, 954898, 1023105, 1364140, 1432347, 1909796, 2046210, 2387245, 2864694, 4092420, 4774490, 5729388, 7161735, 9548980, 14323470, 28646940]

約数ペア:

[(1, 28646940), (2, 14323470), (3, 9548980), (4, 7161735), (5, 5729388), (6, 4774490), (7, 4092420), (10, 2864694), (12, 2387245), (14, 2046210), (15, 1909796), (20, 1432347), (21, 1364140), (28, 1023105), (30, 954898), (35, 818484), (42, 682070), (60, 477449), (70, 409242), (84, 341035), (105, 272828), (140, 204621), (210, 136414), (420, 68207)]