624996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{32117}}^1$

素因数の和:32272

約数の個数: 48

約数和(自身を含む): 1510830720

約数和(自身を除く): 885833900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 32117, 64234, 128468, 160585, 224819, 321170, 449638, 642340, 899276, 1124095, 2248190, 4464263, 4496380, 8928526, 17857052, 22321315, 31249841, 44642630, 62499682, 89285260, 124999364, 156249205, 312498410, 624996820]

約数ペア:

[(1, 624996820), (2, 312498410), (4, 156249205), (5, 124999364), (7, 89285260), (10, 62499682), (14, 44642630), (20, 31249841), (28, 22321315), (35, 17857052), (70, 8928526), (139, 4496380), (140, 4464263), (278, 2248190), (556, 1124095), (695, 899276), (973, 642340), (1390, 449638), (1946, 321170), (2780, 224819), (3892, 160585), (4865, 128468), (9730, 64234), (19460, 32117)]