245177548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1399}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 536256000

約数和(自身を除く): 291078452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 569, 1138, 1399, 2276, 2798, 3983, 5596, 6259, 7966, 9793, 12518, 15389, 15932, 19586, 25036, 30778, 39172, 43813, 61556, 87626, 107723, 175252, 215446, 430892, 796031, 1592062, 3184124, 5572217, 8756341, 11144434, 17512682, 22288868, 35025364, 61294387, 122588774, 245177548]

約数ペア:

[(1, 245177548), (2, 122588774), (4, 61294387), (7, 35025364), (11, 22288868), (14, 17512682), (22, 11144434), (28, 8756341), (44, 5572217), (77, 3184124), (154, 1592062), (308, 796031), (569, 430892), (1138, 215446), (1399, 175252), (2276, 107723), (2798, 87626), (3983, 61556), (5596, 43813), (6259, 39172), (7966, 30778), (9793, 25036), (12518, 19586), (15389, 15932)]