10780840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 28022400

約数和(自身を除く): 17241560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 277, 278, 280, 554, 556, 695, 973, 1108, 1112, 1385, 1390, 1939, 1946, 2216, 2770, 2780, 3878, 3892, 4865, 5540, 5560, 7756, 7784, 9695, 9730, 11080, 15512, 19390, 19460, 38503, 38780, 38920, 77006, 77560, 154012, 192515, 269521, 308024, 385030, 539042, 770060, 1078084, 1347605, 1540120, 2156168, 2695210, 5390420, 10780840]

約数ペア:

[(1, 10780840), (2, 5390420), (4, 2695210), (5, 2156168), (7, 1540120), (8, 1347605), (10, 1078084), (14, 770060), (20, 539042), (28, 385030), (35, 308024), (40, 269521), (56, 192515), (70, 154012), (139, 77560), (140, 77006), (277, 38920), (278, 38780), (280, 38503), (554, 19460), (556, 19390), (695, 15512), (973, 11080), (1108, 9730), (1112, 9695), (1385, 7784), (1390, 7756), (1939, 5560), (1946, 5540), (2216, 4865), (2770, 3892), (2780, 3878)]