29228920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 75801600

約数和(自身を除く): 46572680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 751, 973, 1112, 1390, 1502, 1946, 2780, 3004, 3755, 3892, 4865, 5257, 5560, 6008, 7510, 7784, 9730, 10514, 15020, 19460, 21028, 26285, 30040, 38920, 42056, 52570, 104389, 105140, 208778, 210280, 417556, 521945, 730723, 835112, 1043890, 1461446, 2087780, 2922892, 3653615, 4175560, 5845784, 7307230, 14614460, 29228920]

約数ペア:

[(1, 29228920), (2, 14614460), (4, 7307230), (5, 5845784), (7, 4175560), (8, 3653615), (10, 2922892), (14, 2087780), (20, 1461446), (28, 1043890), (35, 835112), (40, 730723), (56, 521945), (70, 417556), (139, 210280), (140, 208778), (278, 105140), (280, 104389), (556, 52570), (695, 42056), (751, 38920), (973, 30040), (1112, 26285), (1390, 21028), (1502, 19460), (1946, 15020), (2780, 10514), (3004, 9730), (3755, 7784), (3892, 7510), (4865, 6008), (5257, 5560)]