69550040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 180230400

約数和(自身を除く): 110680360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1787, 1946, 2780, 3574, 3892, 4865, 5560, 7148, 7784, 8935, 9730, 12509, 14296, 17870, 19460, 25018, 35740, 38920, 50036, 62545, 71480, 100072, 125090, 248393, 250180, 496786, 500360, 993572, 1241965, 1738751, 1987144, 2483930, 3477502, 4967860, 6955004, 8693755, 9935720, 13910008, 17387510, 34775020, 69550040]

約数ペア:

[(1, 69550040), (2, 34775020), (4, 17387510), (5, 13910008), (7, 9935720), (8, 8693755), (10, 6955004), (14, 4967860), (20, 3477502), (28, 2483930), (35, 1987144), (40, 1738751), (56, 1241965), (70, 993572), (139, 500360), (140, 496786), (278, 250180), (280, 248393), (556, 125090), (695, 100072), (973, 71480), (1112, 62545), (1390, 50036), (1787, 38920), (1946, 35740), (2780, 25018), (3574, 19460), (3892, 17870), (4865, 14296), (5560, 12509), (7148, 9730), (7784, 8935)]