27120380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 65404416

約数和(自身を除く): 38284036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 631, 1228, 1262, 1535, 2149, 2524, 3070, 3155, 4298, 4417, 6140, 6310, 8596, 8834, 10745, 12620, 17668, 21490, 22085, 42980, 44170, 88340, 193717, 387434, 774868, 968585, 1356019, 1937170, 2712038, 3874340, 5424076, 6780095, 13560190, 27120380]

約数ペア:

[(1, 27120380), (2, 13560190), (4, 6780095), (5, 5424076), (7, 3874340), (10, 2712038), (14, 1937170), (20, 1356019), (28, 968585), (35, 774868), (70, 387434), (140, 193717), (307, 88340), (614, 44170), (631, 42980), (1228, 22085), (1262, 21490), (1535, 17668), (2149, 12620), (2524, 10745), (3070, 8834), (3155, 8596), (4298, 6310), (4417, 6140)]