76188680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 175996800

約数和(自身を除く): 99808120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 139, 142, 193, 278, 284, 355, 386, 556, 568, 695, 710, 772, 965, 1112, 1390, 1420, 1544, 1930, 2780, 2840, 3860, 5560, 7720, 9869, 13703, 19738, 26827, 27406, 39476, 49345, 53654, 54812, 68515, 78952, 98690, 107308, 109624, 134135, 137030, 197380, 214616, 268270, 274060, 394760, 536540, 548120, 1073080, 1904717, 3809434, 7618868, 9523585, 15237736, 19047170, 38094340, 76188680]

約数ペア:

[(1, 76188680), (2, 38094340), (4, 19047170), (5, 15237736), (8, 9523585), (10, 7618868), (20, 3809434), (40, 1904717), (71, 1073080), (139, 548120), (142, 536540), (193, 394760), (278, 274060), (284, 268270), (355, 214616), (386, 197380), (556, 137030), (568, 134135), (695, 109624), (710, 107308), (772, 98690), (965, 78952), (1112, 68515), (1390, 54812), (1420, 53654), (1544, 49345), (1930, 39476), (2780, 27406), (2840, 26827), (3860, 19738), (5560, 13703), (7720, 9869)]